22774901888 has 24 divisors (see below), whose sum is σ = 45375276555. Its totient is φ = 11386597248.

The previous prime is 22774901879. The next prime is 22774901923. The reversal of 22774901888 is 88810947722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11387450944 + 11387450944 = 106712^2 + 106712^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106712.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1700723 + ... + 1714061.

Almost surely, 2^22774901888 is an apocalyptic number.

It is an amenable number.

22774901888 is a deficient number, since it is larger than the sum of its proper divisors (22600374667).

22774901888 is an frugal number, since it uses more digits than its factorization.

22774901888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26692 (or 13341 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 22774901888 in words is "twenty-two billion, seven hundred seventy-four million, nine hundred one thousand, eight hundred eighty-eight".