22104155728 has 40 divisors (see below), whose sum is σ = 42973092800. Its totient is φ = 11014389504.

The previous prime is 22104155699. The next prime is 22104155737. The reversal of 22104155728 is 82755140122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11089900 + ... + 11091892.

It is an arithmetic number, because the mean of its divisors is an integer number (1074327320).

Almost surely, 2^22104155728 is an apocalyptic number.

It is an amenable number.

22104155728 is a deficient number, since it is larger than the sum of its proper divisors (20868937072).

22104155728 is a wasteful number, since it uses less digits than its factorization.

22104155728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 22104155728 in words is "twenty-two billion, one hundred four million, one hundred fifty-five thousand, seven hundred twenty-eight".