22485444 has 48 divisors (see below), whose sum is σ = 55133568. Its totient is φ = 7118848.

The previous prime is 22485433. The next prime is 22485451. The reversal of 22485444 is 44458422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70774 + ... + 71090.

It is an arithmetic number, because the mean of its divisors is an integer number (1148616).

Almost surely, 2^22485444 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 22485444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27566784).

22485444 is an abundant number, since it is smaller than the sum of its proper divisors (32648124).

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

22485444 is a wasteful number, since it uses less digits than its factorization.

22485444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its digits is 40960, while the sum is 33.

The square root of 22485444 is about 4741.8819048981. The cubic root of 22485444 is about 282.2499167739.

The spelling of 22485444 in words is "twenty-two million, four hundred eighty-five thousand, four hundred forty-four".