2171534352 has 80 divisors (see below), whose sum is σ = 6070319808. Its totient is φ = 664957440.

The previous prime is 2171534347. The next prime is 2171534371. The reversal of 2171534352 is 2534351712.

It is a super-2 number, since 2×2171534352² = 9431122883832119808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123418 + ... + 139910.

Almost surely, 2^2171534352 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 2171534352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035159904).

2171534352 is an abundant number, since it is smaller than the sum of its proper divisors (3898785456).

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

2171534352 is a wasteful number, since it uses less digits than its factorization.

2171534352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728 (or 16722 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 2171534352 is about 46599.7248060544. The cubic root of 2171534352 is about 1294.9576571676.

The spelling of 2171534352 in words is "two billion, one hundred seventy-one million, five hundred thirty-four thousand, three hundred fifty-two".