22668650499 has 24 divisors (see below), whose sum is σ = 33230816080. Its totient is φ = 13735085760.

The previous prime is 22668650479. The next prime is 22668650509. The reversal of 22668650499 is 99405686622.

It is a happy number.

It is not a de Polignac number, because 22668650499 - 2⁵ = 22668650467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22668650449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2622717 + ... + 2631345.

Almost surely, 2^22668650499 is an apocalyptic number.

22668650499 is a deficient number, since it is larger than the sum of its proper divisors (10562165581).

22668650499 is a wasteful number, since it uses less digits than its factorization.

22668650499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15891 (or 15880 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 22668650499 in words is "twenty-two billion, six hundred sixty-eight million, six hundred fifty thousand, four hundred ninety-nine".