352332220 has 12 divisors (see below), whose sum is σ = 739897704. Its totient is φ = 140932880.

The previous prime is 352332217. The next prime is 352332251. The reversal of 352332220 is 22233253.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 352332191 and 352332200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8808286 + ... + 8808325.

It is an arithmetic number, because the mean of its divisors is an integer number (61658142).

Almost surely, 2^352332220 is an apocalyptic number.

It is an amenable number.

352332220 is an abundant number, since it is smaller than the sum of its proper divisors (387565484).

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

352332220 is a wasteful number, since it uses less digits than its factorization.

352332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616620 (or 17616618 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 352332220 is about 18770.5146439835. The cubic root of 352332220 is about 706.2917283408.

Adding to 352332220 its reverse (22233253), we get a palindrome (374565473).

The spelling of 352332220 in words is "three hundred fifty-two million, three hundred thirty-two thousand, two hundred twenty".