22449936 has 40 divisors (see below), whose sum is σ = 58523040. Its totient is φ = 7415296.

The previous prime is 22449907. The next prime is 22449961. The reversal of 22449936 is 63994422.

It is a junction number, because it is equal to n+sod(n) for n = 22449894 and 22449903.

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 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (1463076).

Almost surely, 2^22449936 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 22449936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29261520).

22449936 is an abundant number, since it is smaller than the sum of its proper divisors (36073104).

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

22449936 is a wasteful number, since it uses less digits than its factorization.

22449936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263 (or 4257 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 22449936 is about 4738.1363424874. The cubic root of 22449936 is about 282.1012663822.

The spelling of 22449936 in words is "twenty-two million, four hundred forty-nine thousand, nine hundred thirty-six".