22263278272 has 28 divisors (see below), whose sum is σ = 46503889720. Its totient is φ = 10545762816.

The previous prime is 22263278269. The next prime is 22263278309. The reversal of 22263278272 is 27287236222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9153093 + ... + 9155524.

Almost surely, 2^22263278272 is an apocalyptic number.

It is an amenable number.

22263278272 is an abundant number, since it is smaller than the sum of its proper divisors (24240611448).

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

22263278272 is a wasteful number, since it uses less digits than its factorization.

22263278272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308648 (or 18308638 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 22263278272 in words is "twenty-two billion, two hundred sixty-three million, two hundred seventy-eight thousand, two hundred seventy-two".