22655275 has 6 divisors (see below), whose sum is σ = 28092572. Its totient is φ = 18124200.

The previous prime is 22655267. The next prime is 22655287. The reversal of 22655275 is 57255622.

It is not a de Polignac number, because 22655275 - 2³ = 22655267 is a prime.

It is a super-2 number, since 2×22655275² = 1026522970651250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22655275.

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 5 ways as a sum of consecutive naturals, for example, 453081 + ... + 453130.

Almost surely, 2^22655275 is an apocalyptic number.

22655275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22655275 is a deficient number, since it is larger than the sum of its proper divisors (5437297).

22655275 is an equidigital number, since it uses as much as digits as its factorization.

22655275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906221 (or 906216 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 22655275 is about 4759.7557710454. The cubic root of 22655275 is about 282.9587398799.

The spelling of 22655275 in words is "twenty-two million, six hundred fifty-five thousand, two hundred seventy-five".