2171932252 has 48 divisors (see below), whose sum is σ = 4439635200. Its totient is φ = 929334000.

The previous prime is 2171932229. The next prime is 2171932253. The reversal of 2171932252 is 2522391712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171932253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496127 + ... + 1497577.

It is an arithmetic number, because the mean of its divisors is an integer number (92492400).

Almost surely, 2^2171932252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2171932252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219817600).

2171932252 is an abundant number, since it is smaller than the sum of its proper divisors (2267702948).

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

2171932252 is a wasteful number, since it uses less digits than its factorization.

2171932252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2551 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 2171932252 is about 46603.9939490169. The cubic root of 2171932252 is about 1295.0367459746.

The spelling of 2171932252 in words is "two billion, one hundred seventy-one million, nine hundred thirty-two thousand, two hundred fifty-two".