22620984 has 16 divisors (see below), whose sum is σ = 56552520. Its totient is φ = 7540320.

The previous prime is 22620973. The next prime is 22621003. The reversal of 22620984 is 48902622.

It is a congruent number.

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, 471247 + ... + 471294.

Almost surely, 2^22620984 is an apocalyptic number.

22620984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22620984 is an abundant number, since it is smaller than the sum of its proper divisors (33931536).

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

22620984 is a wasteful number, since it uses less digits than its factorization.

22620984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942550 (or 942546 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 22620984 is about 4756.1522263275. The cubic root of 22620984 is about 282.8159057759.

The spelling of 22620984 in words is "twenty-two million, six hundred twenty thousand, nine hundred eighty-four".