332121330 has 128 divisors (see below), whose sum is σ = 942969600. Its totient is φ = 82944000.

The previous prime is 332121323. The next prime is 332121341. The reversal of 332121330 is 33121233.

332121330 is a `hidden beast` number, since 332 + 1 + 2 + 1 + 330 = 666.

It is a super-2 number, since 2×332121330² = 220609155681937800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 517810 + ... + 518450.

It is an arithmetic number, because the mean of its divisors is an integer number (7366950).

Almost surely, 2^332121330 is an apocalyptic number.

332121330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 332121330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471484800).

332121330 is an abundant number, since it is smaller than the sum of its proper divisors (610848270).

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

332121330 is a wasteful number, since it uses less digits than its factorization.

332121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 332121330 is about 18224.1962785743. The cubic root of 332121330 is about 692.5198975980.

Adding to 332121330 its reverse (33121233), we get a palindrome (365242563).

The spelling of 332121330 in words is "three hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty".