352220239 has 8 divisors (see below), whose sum is σ = 403602560. Its totient is φ = 301104216.

The previous prime is 352220227. The next prime is 352220243. The reversal of 352220239 is 932022253.

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

It is not a de Polignac number, because 352220239 - 2⁵ = 352220207 is a prime.

It is a super-2 number, since 2×352220239² = 248118193522434242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352226239) 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, 63729 + ... + 69034.

It is an arithmetic number, because the mean of its divisors is an integer number (50450320).

Almost surely, 2^352220239 is an apocalyptic number.

352220239 is a deficient number, since it is larger than the sum of its proper divisors (51382321).

352220239 is a wasteful number, since it uses less digits than its factorization.

352220239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133149.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 352220239 is about 18767.5315105637. The cubic root of 352220239 is about 706.2168940129.

The spelling of 352220239 in words is "three hundred fifty-two million, two hundred twenty thousand, two hundred thirty-nine".