22398275 has 12 divisors (see below), whose sum is σ = 28670784. Its totient is φ = 17340000.

The previous prime is 22398263. The next prime is 22398289. The reversal of 22398275 is 57289322.

It is not a de Polignac number, because 22398275 - 2¹⁸ = 22136131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13676 + ... + 15225.

It is an arithmetic number, because the mean of its divisors is an integer number (2389232).

Almost surely, 2^22398275 is an apocalyptic number.

22398275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22398275 is a deficient number, since it is larger than the sum of its proper divisors (6272509).

22398275 is a wasteful number, since it uses less digits than its factorization.

22398275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28942 (or 28937 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 22398275 is about 4732.6815865849. The cubic root of 22398275 is about 281.8847130312.

The spelling of 22398275 in words is "twenty-two million, three hundred ninety-eight thousand, two hundred seventy-five".