22997964 has 48 divisors (see below), whose sum is σ = 59552640. Its totient is φ = 6848640.

The previous prime is 22997963. The next prime is 22997971. The reversal of 22997964 is 46979922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22997963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6312 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (1240680).

Almost surely, 2^22997964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22997964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29776320).

22997964 is an abundant number, since it is smaller than the sum of its proper divisors (36554676).

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

22997964 is a wasteful number, since it uses less digits than its factorization.

22997964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3028 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 22997964 is about 4795.6192509414. The cubic root of 22997964 is about 284.3783062692.

The spelling of 22997964 in words is "twenty-two million, nine hundred ninety-seven thousand, nine hundred sixty-four".