22650252728 has 16 divisors (see below), whose sum is σ = 42889712760. Its totient is φ = 11212996000.

The previous prime is 22650252701. The next prime is 22650252733. The reversal of 22650252728 is 82725205622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14015438 + ... + 14017053.

Almost surely, 2^22650252728 is an apocalyptic number.

It is an amenable number.

22650252728 is a deficient number, since it is larger than the sum of its proper divisors (20239460032).

22650252728 is a wasteful number, since it uses less digits than its factorization.

22650252728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032598 (or 28032594 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 22650252728 in words is "twenty-two billion, six hundred fifty million, two hundred fifty-two thousand, seven hundred twenty-eight".