22944186 has 48 divisors (see below), whose sum is σ = 53248104. Its totient is φ = 7114752.

The previous prime is 22944157. The next prime is 22944211. The reversal of 22944186 is 68144922.

It can be written as a sum of positive squares in 4 ways, for example, as 16966161 + 5978025 = 4119^2 + 2445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22944186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29296 + ... + 30068.

Almost surely, 2^22944186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22944186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26624052).

22944186 is an abundant number, since it is smaller than the sum of its proper divisors (30303918).

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

22944186 is a wasteful number, since it uses less digits than its factorization.

22944186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 892 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22944186 is about 4790.0089770271. The cubic root of 22944186 is about 284.1564716670.

The spelling of 22944186 in words is "twenty-two million, nine hundred forty-four thousand, one hundred eighty-six".