22274325 has 24 divisors (see below), whose sum is σ = 40920000. Its totient is φ = 11879280.

The previous prime is 22274299. The next prime is 22274341. The reversal of 22274325 is 52347222.

22274325 is a `hidden beast` number, since 2 + 227 + 432 + 5 = 666.

It is not a de Polignac number, because 22274325 - 2⁶ = 22274261 is a prime.

It is a super-2 number, since 2×22274325² = 992291108411250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15825 + ... + 17174.

It is an arithmetic number, because the mean of its divisors is an integer number (1705000).

Almost surely, 2^22274325 is an apocalyptic number.

22274325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22274325 is a deficient number, since it is larger than the sum of its proper divisors (18645675).

22274325 is a wasteful number, since it uses less digits than its factorization.

22274325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33018 (or 33007 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22274325 is about 4719.5683065297. The cubic root of 22274325 is about 281.3637761893.

It can be divided in two parts, 222 and 74325, that added together give a palindrome (74547).

The spelling of 22274325 in words is "twenty-two million, two hundred seventy-four thousand, three hundred twenty-five".