22779431488 has 28 divisors (see below), whose sum is σ = 49312293552. Its totient is φ = 10354286720.

The previous prime is 22779431453. The next prime is 22779431497. The reversal of 22779431488 is 88413497722.

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 3 ways as a sum of consecutive naturals, for example, 16177870 + ... + 16179277.

Almost surely, 2^22779431488 is an apocalyptic number.

It is an amenable number.

22779431488 is an abundant number, since it is smaller than the sum of its proper divisors (26532862064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22779431488 is a wasteful number, since it uses less digits than its factorization.

22779431488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32357170 (or 32357160 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The spelling of 22779431488 in words is "twenty-two billion, seven hundred seventy-nine million, four hundred thirty-one thousand, four hundred eighty-eight".