23212232 has 16 divisors (see below), whose sum is σ = 44585100. Its totient is φ = 11322880.

The previous prime is 23212207. The next prime is 23212247. The reversal of 23212232 is 23221232.

It can be written as a sum of positive squares in 2 ways, for example, as 23174596 + 37636 = 4814^2 + 194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23212232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35057 + ... + 35712.

Almost surely, 2^23212232 is an apocalyptic number.

It is an amenable number.

23212232 is a deficient number, since it is larger than the sum of its proper divisors (21372868).

23212232 is a wasteful number, since it uses less digits than its factorization.

23212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70816 (or 70812 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 23212232 is about 4817.9074295798. The cubic root of 23212232 is about 285.2587452189.

Adding to 23212232 its reverse (23221232), we get a palindrome (46433464).

The spelling of 23212232 in words is "twenty-three million, two hundred twelve thousand, two hundred thirty-two".