22357910138 has 8 divisors (see below), whose sum is σ = 33621342132. Its totient is φ = 11150796096.

The previous prime is 22357910131. The next prime is 22357910177. The reversal of 22357910138 is 83101975322.

It can be written as a sum of positive squares in 2 ways, for example, as 20928540889 + 1429369249 = 144667^2 + 37807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22357910138² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22357910095 and 22357910104.

It is not an unprimeable number, because it can be changed into a prime (22357910131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14078495 + ... + 14080082.

Almost surely, 2^22357910138 is an apocalyptic number.

22357910138 is a deficient number, since it is larger than the sum of its proper divisors (11263431994).

22357910138 is a wasteful number, since it uses less digits than its factorization.

22357910138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28158976.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 22357910138 in words is "twenty-two billion, three hundred fifty-seven million, nine hundred ten thousand, one hundred thirty-eight".