352221852 has 24 divisors (see below), whose sum is σ = 822373776. Its totient is φ = 117332608.

The previous prime is 352221847. The next prime is 352221853. The reversal of 352221852 is 258122253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352221853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12328 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (34265574).

Almost surely, 2^352221852 is an apocalyptic number.

It is an amenable number.

352221852 is an abundant number, since it is smaller than the sum of its proper divisors (470151924).

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

352221852 is a wasteful number, since it uses less digits than its factorization.

352221852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18675 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 352221852 is about 18767.5744836673. The cubic root of 352221852 is about 706.2179720563.

The spelling of 352221852 in words is "three hundred fifty-two million, two hundred twenty-one thousand, eight hundred fifty-two".