22166275 has 6 divisors (see below), whose sum is σ = 27486212. Its totient is φ = 17733000.

The previous prime is 22166269. The next prime is 22166279. The reversal of 22166275 is 57266122.

It is not a de Polignac number, because 22166275 - 2³ = 22166267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22166279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443301 + ... + 443350.

Almost surely, 2^22166275 is an apocalyptic number.

22166275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22166275 is a deficient number, since it is larger than the sum of its proper divisors (5319937).

22166275 is an equidigital number, since it uses as much as digits as its factorization.

22166275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886661 (or 886656 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22166275 is about 4708.1073692090. The cubic root of 22166275 is about 280.9080849145.

The spelling of 22166275 in words is "twenty-two million, one hundred sixty-six thousand, two hundred seventy-five".