352220155 has 16 divisors (see below), whose sum is σ = 483355584. Its totient is φ = 241367040.

The previous prime is 352220129. The next prime is 352220173. The reversal of 352220155 is 551022253.

It is a happy number.

It is not a de Polignac number, because 352220155 - 2⁵ = 352220123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88815 + ... + 92695.

It is an arithmetic number, because the mean of its divisors is an integer number (30209724).

Almost surely, 2^352220155 is an apocalyptic number.

352220155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

352220155 is a deficient number, since it is larger than the sum of its proper divisors (131135429).

352220155 is a wasteful number, since it uses less digits than its factorization.

352220155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 352220155 is about 18767.5292726560. The cubic root of 352220155 is about 706.2168378717.

The spelling of 352220155 in words is "three hundred fifty-two million, two hundred twenty thousand, one hundred fifty-five".