22274475 has 48 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 11334400.

The previous prime is 22274453. The next prime is 22274489. The reversal of 22274475 is 57447222.

It is a happy number.

22274475 is a nontrivial binomial coefficient, being equal to C(6675, 2).

It is not a de Polignac number, because 22274475 - 2²¹ = 20177323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250231 + ... + 250319.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^22274475 is an apocalyptic number.

22274475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22274475 is the 6674-th triangular number.

22274475 is a deficient number, since it is larger than the sum of its proper divisors (16294485).

22274475 is a wasteful number, since it uses less digits than its factorization.

22274475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its digits is 31360, while the sum is 33.

The square root of 22274475 is about 4719.5841977869. The cubic root of 22274475 is about 281.3644077755.

The spelling of 22274475 in words is "twenty-two million, two hundred seventy-four thousand, four hundred seventy-five".