23212230 has 32 divisors (see below), whose sum is σ = 56014848. Its totient is φ = 6156000.

The previous prime is 23212207. The next prime is 23212247. The reversal of 23212230 is 3221232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (1750464).

Almost surely, 2^23212230 is an apocalyptic number.

23212230 is an abundant number, since it is smaller than the sum of its proper divisors (32802618).

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

23212230 is a wasteful number, since it uses less digits than its factorization.

23212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23212230 is about 4817.9072220208. The cubic root of 23212230 is about 285.2587370261.

Adding to 23212230 its reverse (3221232), we get a palindrome (26433462).

The spelling of 23212230 in words is "twenty-three million, two hundred twelve thousand, two hundred thirty".