22812275 has 6 divisors (see below), whose sum is σ = 28287252. Its totient is φ = 18249800.

The previous prime is 22812269. The next prime is 22812287. The reversal of 22812275 is 57221822.

It is not a de Polignac number, because 22812275 - 2⁴ = 22812259 is a prime.

It is a Duffinian number.

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, 456221 + ... + 456270.

It is an arithmetic number, because the mean of its divisors is an integer number (4714542).

Almost surely, 2^22812275 is an apocalyptic number.

22812275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22812275 is a deficient number, since it is larger than the sum of its proper divisors (5474977).

22812275 is an equidigital number, since it uses as much as digits as its factorization.

22812275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912501 (or 912496 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 22812275 is about 4776.2197395011. The cubic root of 22812275 is about 283.6108660842.

The spelling of 22812275 in words is "twenty-two million, eight hundred twelve thousand, two hundred seventy-five".