22990976 has 32 divisors (see below), whose sum is σ = 46680300. Its totient is φ = 11275264.

The previous prime is 22990967. The next prime is 22990991. The reversal of 22990976 is 67909922.

It can be written as a sum of positive squares in 2 ways, for example, as 19149376 + 3841600 = 4376^2 + 1960^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 5090 + ... + 8478.

Almost surely, 2^22990976 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 22990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23340150).

22990976 is an abundant number, since it is smaller than the sum of its proper divisors (23689324).

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

22990976 is an equidigital number, since it uses as much as digits as its factorization.

22990976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 22990976 is about 4794.8906139765. The cubic root of 22990976 is about 284.3495002857.

The spelling of 22990976 in words is "twenty-two million, nine hundred ninety thousand, nine hundred seventy-six".