22511149964 has 24 divisors (see below), whose sum is σ = 41717682720. Its totient is φ = 10591997696.

The previous prime is 22511149963. The next prime is 22511149993. The reversal of 22511149964 is 46994111522.

It is not an unprimeable number, because it can be changed into a prime (22511149963) 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, 580082 + ... + 617670.

It is an arithmetic number, because the mean of its divisors is an integer number (1738236780).

Almost surely, 2^22511149964 is an apocalyptic number.

It is an amenable number.

22511149964 is a deficient number, since it is larger than the sum of its proper divisors (19206532756).

22511149964 is a wasteful number, since it uses less digits than its factorization.

22511149964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46417 (or 46415 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The spelling of 22511149964 in words is "twenty-two billion, five hundred eleven million, one hundred forty-nine thousand, nine hundred sixty-four".