22978962 has 24 divisors (see below), whose sum is σ = 51505740. Its totient is φ = 7395360.

The previous prime is 22978957. The next prime is 22978973. The reversal of 22978962 is 26987922.

It can be written as a sum of positive squares in 2 ways, for example, as 22953681 + 25281 = 4791^2 + 159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21489 + ... + 22532.

Almost surely, 2^22978962 is an apocalyptic number.

22978962 is an abundant number, since it is smaller than the sum of its proper divisors (28526778).

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

22978962 is a wasteful number, since it uses less digits than its factorization.

22978962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44058 (or 44055 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 22978962 is about 4793.6376583968. The cubic root of 22978962 is about 284.2999624422.

The spelling of 22978962 in words is "twenty-two million, nine hundred seventy-eight thousand, nine hundred sixty-two".