352271221 has 8 divisors (see below), whose sum is σ = 362311488. Its totient is φ = 342300000.

The previous prime is 352271219. The next prime is 352271237. The reversal of 352271221 is 122172253.

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 352271221 - 2¹ = 352271219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352271261) 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, 6825 + ... + 27406.

It is an arithmetic number, because the mean of its divisors is an integer number (45288936).

Almost surely, 2^352271221 is an apocalyptic number.

It is an amenable number.

352271221 is a deficient number, since it is larger than the sum of its proper divisors (10040267).

352271221 is a wasteful number, since it uses less digits than its factorization.

352271221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34523.

The product of its digits is 1680, while the sum is 25.

The square root of 352271221 is about 18768.8897114347. The cubic root of 352271221 is about 706.2509660780.

The spelling of 352271221 in words is "three hundred fifty-two million, two hundred seventy-one thousand, two hundred twenty-one".