22982436 has 81 divisors (see below), whose sum is σ = 63053809. Its totient is φ = 7056768.

The previous prime is 22982429. The next prime is 22982437. The reversal of 22982436 is 63428922.

The square root of 22982436 is 4794.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 5089536 = 4230^2 + 2256^2 .

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22982436.

It is not an unprimeable number, because it can be changed into a prime (22982437) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 488965 + ... + 489011.

Almost surely, 2^22982436 is an apocalyptic number.

22982436 is the 4794-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22982436

22982436 is an abundant number, since it is smaller than the sum of its proper divisors (40071373).

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

22982436 is a wasteful number, since it uses less digits than its factorization.

22982436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 69 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The cubic root of 22982436 is about 284.3142887101.

Multiplying 22982436 by its sum of digits (36), we get a square (827367696 = 28764²).

22982436 divided by its sum of digits (36) gives a square (638401 = 799²).

The spelling of 22982436 in words is "twenty-two million, nine hundred eighty-two thousand, four hundred thirty-six".