22820976 has 90 divisors (see below), whose sum is σ = 67558920. Its totient is φ = 7190208.

The previous prime is 22820951. The next prime is 22820977. The reversal of 22820976 is 67902822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22820976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51765 + ... + 52203.

Almost surely, 2^22820976 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 22820976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33779460).

22820976 is an abundant number, since it is smaller than the sum of its proper divisors (44737944).

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

22820976 is a wasteful number, since it uses less digits than its factorization.

22820976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22820976 is about 4777.1305194646. The cubic root of 22820976 is about 283.6469195462.

The spelling of 22820976 in words is "twenty-two million, eight hundred twenty thousand, nine hundred seventy-six".