22302905728 has 16 divisors (see below), whose sum is σ = 44431570260. Its totient is φ = 11151452800.

The previous prime is 22302905687. The next prime is 22302905741. The reversal of 22302905728 is 82750920322.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87120598 + ... + 87120853.

Almost surely, 2^22302905728 is an apocalyptic number.

It is an amenable number.

22302905728 is a deficient number, since it is larger than the sum of its proper divisors (22128664532).

22302905728 is an equidigital number, since it uses as much as digits as its factorization.

22302905728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174241465 (or 174241453 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 22302905728 in words is "twenty-two billion, three hundred two million, nine hundred five thousand, seven hundred twenty-eight".