22751268 has 12 divisors (see below), whose sum is σ = 53086320. Its totient is φ = 7583752.

The previous prime is 22751251. The next prime is 22751291. The reversal of 22751268 is 86215722.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947958 + ... + 947981.

It is an arithmetic number, because the mean of its divisors is an integer number (4423860).

Almost surely, 2^22751268 is an apocalyptic number.

It is an amenable number.

22751268 is an abundant number, since it is smaller than the sum of its proper divisors (30335052).

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

22751268 is a wasteful number, since it uses less digits than its factorization.

22751268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895946 (or 1895944 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 22751268 is about 4769.8289277499. The cubic root of 22751268 is about 283.3578196446.

The spelling of 22751268 in words is "twenty-two million, seven hundred fifty-one thousand, two hundred sixty-eight".