22985320 has 32 divisors (see below), whose sum is σ = 51882120. Its totient is φ = 9164800.

The previous prime is 22985239. The next prime is 22985323. The reversal of 22985320 is 2358922.

It can be written as a sum of positive squares in 4 ways, for example, as 22905796 + 79524 = 4786^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (22985323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15324 + ... + 16756.

Almost surely, 2^22985320 is an apocalyptic number.

22985320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22985320 is an abundant number, since it is smaller than the sum of its proper divisors (28896800).

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

22985320 is a wasteful number, since it uses less digits than its factorization.

22985320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 22985320 is about 4794.3007832217. The cubic root of 22985320 is about 284.3261808077.

The spelling of 22985320 in words is "twenty-two million, nine hundred eighty-five thousand, three hundred twenty".