22450944 has 144 divisors (see below), whose sum is σ = 65931264. Its totient is φ = 6758400.

The previous prime is 22450907. The next prime is 22450949. The reversal of 22450944 is 44905422.

It is a super-2 number, since 2×22450944² = 1008089772982272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22450949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547564 + ... + 547604.

It is an arithmetic number, because the mean of its divisors is an integer number (457856).

Almost surely, 2^22450944 is an apocalyptic number.

22450944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22450944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32965632).

22450944 is an abundant number, since it is smaller than the sum of its proper divisors (43480320).

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

22450944 is a wasteful number, since it uses less digits than its factorization.

22450944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22450944 is about 4738.2427122299. The cubic root of 22450944 is about 282.1054884257.

The spelling of 22450944 in words is "twenty-two million, four hundred fifty thousand, nine hundred forty-four".