22434944 has 80 divisors (see below), whose sum is σ = 52854870. Its totient is φ = 9483264.

The previous prime is 22434889. The next prime is 22434977. The reversal of 22434944 is 44943422.

It can be written as a sum of positive squares in only one way, i.e., 18593344 + 3841600 = 4312^2 + 1960^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22434944.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 307292 + ... + 307364.

Almost surely, 2^22434944 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 22434944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26427435).

22434944 is an abundant number, since it is smaller than the sum of its proper divisors (30419926).

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

22434944 is an frugal number, since it uses more digits than its factorization.

22434944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 82 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 22434944 is about 4736.5540216491. The cubic root of 22434944 is about 282.0384569386.

The spelling of 22434944 in words is "twenty-two million, four hundred thirty-four thousand, nine hundred forty-four".