22755272 has 16 divisors (see below), whose sum is σ = 42855900. Its totient is φ = 11327040.

The previous prime is 22755263. The next prime is 22755281. The reversal of 22755272 is 27255722.

It is an interprime number because it is at equal distance from previous prime (22755263) and next prime (22755281).

It can be written as a sum of positive squares in 2 ways, for example, as 16273156 + 6482116 = 4034^2 + 2546^2 .

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, 4379 + ... + 8042.

Almost surely, 2^22755272 is an apocalyptic number.

It is an amenable number.

22755272 is a deficient number, since it is larger than the sum of its proper divisors (20100628).

22755272 is a wasteful number, since it uses less digits than its factorization.

22755272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12656 (or 12652 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 22755272 is about 4770.2486308368. The cubic root of 22755272 is about 283.3744414019.

The spelling of 22755272 in words is "twenty-two million, seven hundred fifty-five thousand, two hundred seventy-two".