22532166 has 12 divisors (see below), whose sum is σ = 48819732. Its totient is φ = 7510716.

The previous prime is 22532161. The next prime is 22532179. The reversal of 22532166 is 66123522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625876 + ... + 625911.

It is an arithmetic number, because the mean of its divisors is an integer number (4068311).

Almost surely, 2^22532166 is an apocalyptic number.

22532166 is an abundant number, since it is smaller than the sum of its proper divisors (26287566).

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

22532166 is a wasteful number, since it uses less digits than its factorization.

22532166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251795 (or 1251792 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22532166 is about 4746.8058734269. The cubic root of 22532166 is about 282.4452751176.

Adding to 22532166 its reverse (66123522), we get a palindrome (88655688).

The spelling of 22532166 in words is "twenty-two million, five hundred thirty-two thousand, one hundred sixty-six".