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22005233332 = 2237257578537
BaseRepresentation
bin10100011111100111…
…010011011010110100
32002210120201200020221
4110133213103122310
5330031314431312
614035320304124
71406211253135
oct243747233264
962716650227
1022005233332
119372420555
124321612044
1320c8c65034
1410ca743c8c
1588bd14207
hex51f9d36b4

22005233332 has 24 divisors (see below), whose sum is σ = 39703905864. Its totient is φ = 10663575552.

The previous prime is 22005233323. The next prime is 22005233339. The reversal of 22005233332 is 23333250022.

It can be written as a sum of positive squares in 4 ways, for example, as 12063946896 + 9941286436 = 109836^2 + 99706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22005233297 and 22005233306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005233339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251233 + ... + 327304.

It is an arithmetic number, because the mean of its divisors is an integer number (1654329411).

Almost surely, 222005233332 is an apocalyptic number.

It is an amenable number.

22005233332 is a deficient number, since it is larger than the sum of its proper divisors (17698672532).

22005233332 is a wasteful number, since it uses less digits than its factorization.

22005233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578835 (or 578833 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 22005233332 its reverse (23333250022), we get a palindrome (45338483354).

The spelling of 22005233332 in words is "twenty-two billion, five million, two hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 37 74 148 257 514 1028 9509 19018 38036 578537 1157074 2314148 21405869 42811738 85623476 148684009 297368018 594736036 5501308333 11002616666 22005233332