22907990631 has 8 divisors (see below), whose sum is σ = 30627215104. Its totient is φ = 15230379960.

The previous prime is 22907990591. The next prime is 22907990687. The reversal of 22907990631 is 13609970922.

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

It is not a de Polignac number, because 22907990631 - 2¹⁴ = 22907974247 is a prime.

It is a super-2 number, since 2×22907990631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22907990431) 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, 10402165 + ... + 10404366.

It is an arithmetic number, because the mean of its divisors is an integer number (3828401888).

Almost surely, 2^22907990631 is an apocalyptic number.

22907990631 is a deficient number, since it is larger than the sum of its proper divisors (7719224473).

22907990631 is a wasteful number, since it uses less digits than its factorization.

22907990631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20806901.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 22907990631 in words is "twenty-two billion, nine hundred seven million, nine hundred ninety thousand, six hundred thirty-one".