352552220 has 24 divisors (see below), whose sum is σ = 779326800. Its totient is φ = 133598592.

The previous prime is 352552219. The next prime is 352552271. The reversal of 352552220 is 22255253.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 352552220.

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 7 ways as a sum of consecutive naturals, for example, 463505 + ... + 464264.

It is an arithmetic number, because the mean of its divisors is an integer number (32471950).

Almost surely, 2^352552220 is an apocalyptic number.

It is an amenable number.

352552220 is an abundant number, since it is smaller than the sum of its proper divisors (426774580).

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

352552220 is a wasteful number, since it uses less digits than its factorization.

352552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927797 (or 927795 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 352552220 is about 18776.3739843453. The cubic root of 352552220 is about 706.4387031196.

The spelling of 352552220 in words is "three hundred fifty-two million, five hundred fifty-two thousand, two hundred twenty".