22620852 has 18 divisors (see below), whose sum is σ = 57180578. Its totient is φ = 7540272.

The previous prime is 22620847. The next prime is 22620853. The reversal of 22620852 is 25802622.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 9400356 = 3636^2 + 3066^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22620853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314143 + ... + 314214.

Almost surely, 2^22620852 is an apocalyptic number.

It is an amenable number.

22620852 is an abundant number, since it is smaller than the sum of its proper divisors (34559726).

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

22620852 is a wasteful number, since it uses less digits than its factorization.

22620852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628367 (or 628362 counting only the distinct ones).

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

The square root of 22620852 is about 4756.1383495437. The cubic root of 22620852 is about 282.8153556705.

The spelling of 22620852 in words is "twenty-two million, six hundred twenty thousand, eight hundred fifty-two".