22449748 has 24 divisors (see below), whose sum is σ = 41207040. Its totient is φ = 10681440.

The previous prime is 22449737. The next prime is 22449761. The reversal of 22449748 is 84794422.

It is a self number, because there is not a number n which added to its sum of digits gives 22449748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21478 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (1716960).

Almost surely, 2^22449748 is an apocalyptic number.

It is an amenable number.

22449748 is a deficient number, since it is larger than the sum of its proper divisors (18757292).

22449748 is a wasteful number, since it uses less digits than its factorization.

22449748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 22449748 is about 4738.1165034220. The cubic root of 22449748 is about 282.1004789236.

The spelling of 22449748 in words is "twenty-two million, four hundred forty-nine thousand, seven hundred forty-eight".