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22233020220 = 22325123516779
BaseRepresentation
bin10100101101001100…
…001111011100111100
32010101110100110010100
4110231030033130330
5331013123121340
614114054441100
71414645360635
oct245514173474
963343313110
1022233020220
119479a62184
124385963190
1321341cab88
14110caba88c
158a1d0b830
hex52d30f73c

22233020220 has 36 divisors (see below), whose sum is σ = 67440161880. Its totient is φ = 5928805344.

The previous prime is 22233020207. The next prime is 22233020237. The reversal of 22233020220 is 2202033222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22233020193 and 22233020202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61758210 + ... + 61758569.

It is an arithmetic number, because the mean of its divisors is an integer number (1873337830).

Almost surely, 222233020220 is an apocalyptic number.

22233020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22233020220 is an abundant number, since it is smaller than the sum of its proper divisors (45207141660).

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

22233020220 is a wasteful number, since it uses less digits than its factorization.

22233020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123516794 (or 123516789 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22233020220 its reverse (2202033222), we get a palindrome (24435053442).

The spelling of 22233020220 in words is "twenty-two billion, two hundred thirty-three million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 123516779 247033558 370550337 494067116 617583895 741100674 1111651011 1235167790 1482201348 1852751685 2223302022 2470335580 3705503370 4446604044 5558255055 7411006740 11116510110 22233020220