23252166 has 72 divisors (see below), whose sum is σ = 60127704. Its totient is φ = 6471360.

The previous prime is 23252153. The next prime is 23252167. The reversal of 23252166 is 66125232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252167) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35841 + ... + 36483.

It is an arithmetic number, because the mean of its divisors is an integer number (835107).

Almost surely, 2^23252166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23252166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30063852).

23252166 is an abundant number, since it is smaller than the sum of its proper divisors (36875538).

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

23252166 is a wasteful number, since it uses less digits than its factorization.

23252166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 696 counting only the distinct ones).

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

The square root of 23252166 is about 4822.0499790027. The cubic root of 23252166 is about 285.4222365534.

Adding to 23252166 its reverse (66125232), we get a palindrome (89377398).

The spelling of 23252166 in words is "twenty-three million, two hundred fifty-two thousand, one hundred sixty-six".