22775268 has 12 divisors (see below), whose sum is σ = 53142320. Its totient is φ = 7591752.

The previous prime is 22775261. The next prime is 22775299. The reversal of 22775268 is 86257722.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22775261) by changing a digit.

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, 948958 + ... + 948981.

Almost surely, 2^22775268 is an apocalyptic number.

It is an amenable number.

22775268 is an abundant number, since it is smaller than the sum of its proper divisors (30367052).

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

22775268 is a wasteful number, since it uses less digits than its factorization.

22775268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897946 (or 1897944 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 22775268 is about 4772.3440781235. The cubic root of 22775268 is about 283.4574213868.

The spelling of 22775268 in words is "twenty-two million, seven hundred seventy-five thousand, two hundred sixty-eight".