22312642032 has 30 divisors (see below), whose sum is σ = 62444408312. Its totient is φ = 7437547296.

The previous prime is 22312642019. The next prime is 22312642073. The reversal of 22312642032 is 23024621322.

It is a happy number.

22312642032 is a `hidden beast` number, since 2 + 2 + 3 + 12 + 642 + 0 + 3 + 2 = 666.

It is a super-3 number, since 3×22312642032³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312641987 and 22312642005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77474308 + ... + 77474595.

Almost surely, 2^22312642032 is an apocalyptic number.

It is an amenable number.

22312642032 is an abundant number, since it is smaller than the sum of its proper divisors (40131766280).

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

22312642032 is a wasteful number, since it uses less digits than its factorization.

22312642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154948917 (or 154948908 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 22312642032 in words is "twenty-two billion, three hundred twelve million, six hundred forty-two thousand, thirty-two".