22325920 has 24 divisors (see below), whose sum is σ = 52745364. Its totient is φ = 8930304.

The previous prime is 22325909. The next prime is 22325957. The reversal of 22325920 is 2952322.

It can be written as a sum of positive squares in 2 ways, for example, as 22240656 + 85264 = 4716^2 + 292^2 .

It is a super-3 number, since 3×22325920³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69609 + ... + 69928.

Almost surely, 2^22325920 is an apocalyptic number.

22325920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22325920 is an abundant number, since it is smaller than the sum of its proper divisors (30419444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22325920 is a wasteful number, since it uses less digits than its factorization.

22325920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139552 (or 139544 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22325920 is about 4725.0312168281. The cubic root of 22325920 is about 281.5808537689.

The spelling of 22325920 in words is "twenty-two million, three hundred twenty-five thousand, nine hundred twenty".