23221212232 has 16 divisors (see below), whose sum is σ = 43541437500. Its totient is φ = 11610162240.

The previous prime is 23221212227. The next prime is 23221212241.

23221212232 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 23090018116 + 131194116 = 151954^2 + 11454^2 .

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, 303394 + ... + 372142.

Almost surely, 2^23221212232 is an apocalyptic number.

It is an amenable number.

23221212232 is a deficient number, since it is larger than the sum of its proper divisors (20320225268).

23221212232 is a wasteful number, since it uses less digits than its factorization.

23221212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110976 (or 110972 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The spelling of 23221212232 in words is "twenty-three billion, two hundred twenty-one million, two hundred twelve thousand, two hundred thirty-two".