22458944 has 28 divisors (see below), whose sum is σ = 45012864. Its totient is φ = 11117184.

The previous prime is 22458923. The next prime is 22458967. The reversal of 22458944 is 44985422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22458898 and 22458907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889 + ... + 8295.

Almost surely, 2^22458944 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 22458944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22506432).

22458944 is an abundant number, since it is smaller than the sum of its proper divisors (22553920).

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

22458944 is a wasteful number, since it uses less digits than its factorization.

22458944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522 (or 3512 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 22458944 is about 4739.0868318696. The cubic root of 22458944 is about 282.1389922270.

The spelling of 22458944 in words is "twenty-two million, four hundred fifty-eight thousand, nine hundred forty-four".