2171932232 has 12 divisors (see below), whose sum is σ = 4072620105. Its totient is φ = 1085900208.

The previous prime is 2171932229. The next prime is 2171932253. The reversal of 2171932232 is 2322391712.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2109932356 + 61999876 = 45934^2 + 7874^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32954.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123578 + ... + 140054.

Almost surely, 2^2171932232 is an apocalyptic number.

It is an amenable number.

2171932232 is a deficient number, since it is larger than the sum of its proper divisors (1900687873).

2171932232 is an frugal number, since it uses more digits than its factorization.

2171932232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32960 (or 16479 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 2171932232 is about 46603.9937344430. The cubic root of 2171932232 is about 1295.0367419995.

Multiplying 2171932232 by its sum of digits (32), we get a square (69501831424 = 263632²).

The spelling of 2171932232 in words is "two billion, one hundred seventy-one million, nine hundred thirty-two thousand, two hundred thirty-two".