352265221 has 8 divisors (see below), whose sum is σ = 439187904. Its totient is φ = 274492320.

The previous prime is 352265213. The next prime is 352265231. The reversal of 352265221 is 122562253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352265221 - 2³ = 352265213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 352265221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352265201) 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, 2287360 + ... + 2287513.

It is an arithmetic number, because the mean of its divisors is an integer number (54898488).

Almost surely, 2^352265221 is an apocalyptic number.

It is an amenable number.

352265221 is a deficient number, since it is larger than the sum of its proper divisors (86922683).

352265221 is a wasteful number, since it uses less digits than its factorization.

352265221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574891.

The product of its digits is 7200, while the sum is 28.

The square root of 352265221 is about 18768.7298717841. The cubic root of 352265221 is about 706.2469563552.

It can be divided in two parts, 35 and 2265221, that added together give a triangular number (2265256 = T₂₁₂₈).

The spelling of 352265221 in words is "three hundred fifty-two million, two hundred sixty-five thousand, two hundred twenty-one".