352275220 has 48 divisors (see below), whose sum is σ = 817286400. Its totient is φ = 126472320.

The previous prime is 352275211. The next prime is 352275223. The reversal of 352275220 is 22572253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352275223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7246 + ... + 27514.

It is an arithmetic number, because the mean of its divisors is an integer number (17026800).

Almost surely, 2^352275220 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 352275220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408643200).

352275220 is an abundant number, since it is smaller than the sum of its proper divisors (465011180).

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

352275220 is a wasteful number, since it uses less digits than its factorization.

352275220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368 (or 20366 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 352275220 is about 18768.9962438059. The cubic root of 352275220 is about 706.2536385330.

It can be divided in two parts, 352 and 275220, that added together give a palindrome (275572).

The spelling of 352275220 in words is "three hundred fifty-two million, two hundred seventy-five thousand, two hundred twenty".