352749228 has 24 divisors (see below), whose sum is σ = 886395888. Its totient is φ = 108538176.

The previous prime is 352749227. The next prime is 352749239. The reversal of 352749228 is 822947253.

It is a self number, because there is not a number n which added to its sum of digits gives 352749228.

It is not an unprimeable number, because it can be changed into a prime (352749223) 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, 1130451 + ... + 1130762.

It is an arithmetic number, because the mean of its divisors is an integer number (36933162).

Almost surely, 2^352749228 is an apocalyptic number.

It is an amenable number.

352749228 is an abundant number, since it is smaller than the sum of its proper divisors (533646660).

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

352749228 is a wasteful number, since it uses less digits than its factorization.

352749228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261233 (or 2261231 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 352749228 is about 18781.6194189958. The cubic root of 352749228 is about 706.5702658144.

The spelling of 352749228 in words is "three hundred fifty-two million, seven hundred forty-nine thousand, two hundred twenty-eight".