22164275 has 12 divisors (see below), whose sum is σ = 31410192. Its totient is φ = 15198240.

The previous prime is 22164253. The next prime is 22164343. The reversal of 22164275 is 57246122.

It is a happy number.

It is not a de Polignac number, because 22164275 - 2¹⁸ = 21902131 is a prime.

It is a Duffinian number.

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, 63152 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (2617516).

Almost surely, 2^22164275 is an apocalyptic number.

22164275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22164275 is a deficient number, since it is larger than the sum of its proper divisors (9245917).

22164275 is a wasteful number, since it uses less digits than its factorization.

22164275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126670 (or 126665 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 22164275 is about 4707.8949648436. The cubic root of 22164275 is about 280.8996361476.

The spelling of 22164275 in words is "twenty-two million, one hundred sixty-four thousand, two hundred seventy-five".