22680252 has 36 divisors (see below), whose sum is σ = 65521456. Its totient is φ = 6480000.

The previous prime is 22680247. The next prime is 22680253. The reversal of 22680252 is 25208622.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22680253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44749 + ... + 45252.

Almost surely, 2^22680252 is an apocalyptic number.

It is an amenable number.

22680252 is an abundant number, since it is smaller than the sum of its proper divisors (42841204).

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

22680252 is a wasteful number, since it uses less digits than its factorization.

22680252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90018 (or 90013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22680252 is about 4762.3788173559. The cubic root of 22680252 is about 283.0626871915.

Adding to 22680252 its reverse (25208622), we get a palindrome (47888874).

The spelling of 22680252 in words is "twenty-two million, six hundred eighty thousand, two hundred fifty-two".