22444384 has 24 divisors (see below), whose sum is σ = 45267768. Its totient is φ = 10947840.

The previous prime is 22444381. The next prime is 22444391. The reversal of 22444384 is 48344422.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7242 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (1886157).

Almost surely, 2^22444384 is an apocalyptic number.

It is an amenable number.

22444384 is an abundant number, since it is smaller than the sum of its proper divisors (22823384).

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

22444384 is a wasteful number, since it uses less digits than its factorization.

22444384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158 (or 17150 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 22444384 is about 4737.5504218953. The cubic root of 22444384 is about 282.0780093692.

The spelling of 22444384 in words is "twenty-two million, four hundred forty-four thousand, three hundred eighty-four".