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22201200220 = 2258313374217
BaseRepresentation
bin10100101011010010…
…110110111001011100
32010022020110211021211
4110223102312321130
5330432001401340
614111000434204
71414111042153
oct245322667134
963266424254
1022201200220
119462aa9361
124377178964
13212a739684
14110879659a
1589e1235ea
hex52b4b6e5c

22201200220 has 24 divisors (see below), whose sum is σ = 47184241104. Its totient is φ = 8773485696.

The previous prime is 22201200187. The next prime is 22201200221. The reversal of 22201200220 is 2200210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201200221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6685449 + ... + 6688768.

It is an arithmetic number, because the mean of its divisors is an integer number (1966010046).

Almost surely, 222201200220 is an apocalyptic number.

22201200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201200220 is an abundant number, since it is smaller than the sum of its proper divisors (24983040884).

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

22201200220 is a wasteful number, since it uses less digits than its factorization.

22201200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374309 (or 13374307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22201200220 its reverse (2200210222), we get a palindrome (24401410442).

The spelling of 22201200220 in words is "twenty-two billion, two hundred one million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 13374217 26748434 53496868 66871085 133742170 267484340 1110060011 2220120022 4440240044 5550300055 11100600110 22201200220