2123222232 has 32 divisors (see below), whose sum is σ = 5309196480. Its totient is φ = 707588640.

The previous prime is 2123222221. The next prime is 2123222281. The reversal of 2123222232 is 2322223212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123222199 and 2123222208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189507 + ... + 200397.

It is an arithmetic number, because the mean of its divisors is an integer number (165912390).

Almost surely, 2^2123222232 is an apocalyptic number.

It is an amenable number.

2123222232 is an abundant number, since it is smaller than the sum of its proper divisors (3185974248).

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

2123222232 is a wasteful number, since it uses less digits than its factorization.

2123222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19023 (or 19019 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 2123222232 is about 46078.4356505296. The cubic root of 2123222232 is about 1285.2821743520.

Adding to 2123222232 its reverse (2322223212), we get a palindrome (4445445444).

The spelling of 2123222232 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-two".