22945536 has 108 divisors (see below), whose sum is σ = 69193488. Its totient is φ = 7299072.

The previous prime is 22945523. The next prime is 22945591. The reversal of 22945536 is 63554922.

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 22945536.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52776 + ... + 53208.

Almost surely, 2^22945536 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 22945536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34596744).

22945536 is an abundant number, since it is smaller than the sum of its proper divisors (46247952).

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

22945536 is a wasteful number, since it uses less digits than its factorization.

22945536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 461 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 22945536 is about 4790.1498932706. The cubic root of 22945536 is about 284.1620446651.

The spelling of 22945536 in words is "twenty-two million, nine hundred forty-five thousand, five hundred thirty-six".