332172288 has 264 divisors, whose sum is σ = 1158110720. Its totient is φ = 89579520.

The previous prime is 332172287. The next prime is 332172319. The reversal of 332172288 is 882271233.

It is a happy number.

It is a super-2 number, since 2×332172288² = 220676857830309888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (332172287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225593 + ... + 1225863.

Almost surely, 2^332172288 is an apocalyptic number.

332172288 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332172288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579055360).

332172288 is an abundant number, since it is smaller than the sum of its proper divisors (825938432).

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

332172288 is a wasteful number, since it uses less digits than its factorization.

332172288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 302 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 332172288 is about 18225.5943112975. The cubic root of 332172288 is about 692.5553139967. Note that the first 3 decimals are identical.

The spelling of 332172288 in words is "three hundred thirty-two million, one hundred seventy-two thousand, two hundred eighty-eight".