22365936 has 80 divisors (see below), whose sum is σ = 67019520. Its totient is φ = 7128000.

The previous prime is 22365929. The next prime is 22365949. The reversal of 22365936 is 63956322.

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 22365936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8811 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (837744).

Almost surely, 2^22365936 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 22365936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33509760).

22365936 is an abundant number, since it is smaller than the sum of its proper divisors (44653584).

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

22365936 is a wasteful number, since it uses less digits than its factorization.

22365936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2279 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 22365936 is about 4729.2637904858. The cubic root of 22365936 is about 281.7489844171.

The spelling of 22365936 in words is "twenty-two million, three hundred sixty-five thousand, nine hundred thirty-six".