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2022424220 = 2251941271479
BaseRepresentation
bin111100010001011…
…1011111010011100
312012221112210110202
41320202323322130
513120220033340
6532403323032
7101055215345
oct17042737234
95187483422
102022424220
11948673283
12485380478
13262cc902b
141528550cc
15bc841c15
hex788bbe9c

2022424220 has 96 divisors (see below), whose sum is σ = 4606156800. Its totient is φ = 743385600.

The previous prime is 2022424219. The next prime is 2022424237. The reversal of 2022424220 is 224242202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2022424192 and 2022424201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4221941 + ... + 4222419.

It is an arithmetic number, because the mean of its divisors is an integer number (47980800).

Almost surely, 22022424220 is an apocalyptic number.

2022424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303078400).

2022424220 is an abundant number, since it is smaller than the sum of its proper divisors (2583732580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022424220 is a wasteful number, since it uses less digits than its factorization.

2022424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2022424220 is about 44971.3711154107. The cubic root of 2022424220 is about 1264.6123513418.

Adding to 2022424220 its reverse (224242202), we get a palindrome (2246666422).

It can be divided in two parts, 20224 and 24220, that added together give a palindrome (44444).

The spelling of 2022424220 in words is "two billion, twenty-two million, four hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 271 380 410 479 542 779 820 958 1084 1355 1558 1916 2395 2710 3116 3895 4790 5149 5420 7790 9101 9580 10298 11111 15580 18202 19639 20596 22222 25745 36404 39278 44444 45505 51490 55555 78556 91010 98195 102980 111110 129809 182020 196390 211109 222220 259618 373141 392780 422218 519236 649045 746282 844436 1055545 1298090 1492564 1865705 2111090 2466371 2596180 3731410 4222180 4932742 5322169 7462820 9865484 10644338 12331855 21288676 24663710 26610845 49327420 53221690 101121211 106443380 202242422 404484844 505606055 1011212110 2022424220