22359444 has 24 divisors (see below), whose sum is σ = 52261440. Its totient is φ = 7440384.

The previous prime is 22359443. The next prime is 22359461. The reversal of 22359444 is 44495322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22359443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (2177560).

Almost surely, 2^22359444 is an apocalyptic number.

It is an amenable number.

22359444 is an abundant number, since it is smaller than the sum of its proper divisors (29901996).

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

22359444 is a wasteful number, since it uses less digits than its factorization.

22359444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199 (or 3197 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 22359444 is about 4728.5773759134. The cubic root of 22359444 is about 281.7217213594.

The spelling of 22359444 in words is "twenty-two million, three hundred fifty-nine thousand, four hundred forty-four".