22789944 has 32 divisors (see below), whose sum is σ = 63306000. Its totient is φ = 7596576.

The previous prime is 22789937. The next prime is 22789951. The reversal of 22789944 is 44998722.

It is an interprime number because it is at equal distance from previous prime (22789937) and next prime (22789951).

It is a self number, because there is not a number n which added to its sum of digits gives 22789944.

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, 52539 + ... + 52970.

Almost surely, 2^22789944 is an apocalyptic number.

22789944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22789944 is an abundant number, since it is smaller than the sum of its proper divisors (40516056).

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

22789944 is a wasteful number, since it uses less digits than its factorization.

22789944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105524 (or 105514 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22789944 is about 4773.8814396673. The cubic root of 22789944 is about 283.5182933802.

The spelling of 22789944 in words is "twenty-two million, seven hundred eighty-nine thousand, nine hundred forty-four".