22459944 has 32 divisors (see below), whose sum is σ = 60469920. Its totient is φ = 6910656.

The previous prime is 22459939. The next prime is 22459961. The reversal of 22459944 is 44995422.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 35682 + ... + 36305.

It is an arithmetic number, because the mean of its divisors is an integer number (1889685).

Almost surely, 2^22459944 is an apocalyptic number.

22459944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22459944 is an abundant number, since it is smaller than the sum of its proper divisors (38009976).

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

22459944 is a wasteful number, since it uses less digits than its factorization.

22459944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72009 (or 72005 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 22459944 is about 4739.1923362531. The cubic root of 22459944 is about 282.1431796427.

The spelling of 22459944 in words is "twenty-two million, four hundred fifty-nine thousand, nine hundred forty-four".