22446464021631 has 12 divisors (see below), whose sum is σ = 34916721811608. Its totient is φ = 13813208628624.

The previous prime is 22446464021629. The next prime is 22446464021651. The reversal of 22446464021631 is 13612046464422.

22446464021631 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 6 + 4 + 6 + 4 + 0 + 2 + 1 + 631 = 666.

It is not a de Polignac number, because 22446464021631 - 2¹ = 22446464021629 is a prime.

It is a super-2 number, since 2×22446464021631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22446464021621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95925059805 + ... + 95925060038.

It is an arithmetic number, because the mean of its divisors is an integer number (2909726817634).

Almost surely, 2^{22446464021631} is an apocalyptic number.

22446464021631 is a deficient number, since it is larger than the sum of its proper divisors (12470257789977).

22446464021631 is a wasteful number, since it uses less digits than its factorization.

22446464021631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191850119862 (or 191850119859 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 22446464021631 in words is "twenty-two trillion, four hundred forty-six billion, four hundred sixty-four million, twenty-one thousand, six hundred thirty-one".