352532220 has 48 divisors (see below), whose sum is σ = 987910560. Its totient is φ = 93930496.

The previous prime is 352532209. The next prime is 352532249. The reversal of 352532220 is 22235253.

352532220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×352532220² = 248557932276256800, which contains 22 as substring.

It is a congruent number.

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, 127816 + ... + 130544.

It is an arithmetic number, because the mean of its divisors is an integer number (20581470).

Almost surely, 2^352532220 is an apocalyptic number.

352532220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352532220 is an abundant number, since it is smaller than the sum of its proper divisors (635378340).

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

352532220 is a wasteful number, since it uses less digits than its factorization.

352532220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 352532220 is about 18775.8413925981. The cubic root of 352532220 is about 706.4253443031.

Adding to 352532220 its reverse (22235253), we get a palindrome (374767473).

It can be divided in two parts, 35253 and 2220, that added together give a palindrome (37473).

The spelling of 352532220 in words is "three hundred fifty-two million, five hundred thirty-two thousand, two hundred twenty".