352220109 has 32 divisors (see below), whose sum is σ = 508646400. Its totient is φ = 216276480.

The previous prime is 352220107. The next prime is 352220111. The reversal of 352220109 is 901022253.

It is an interprime number because it is at equal distance from previous prime (352220107) and next prime (352220111).

It is not a de Polignac number, because 352220109 - 2¹ = 352220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195987 + ... + 197775.

It is an arithmetic number, because the mean of its divisors is an integer number (15895200).

Almost surely, 2^352220109 is an apocalyptic number.

It is an amenable number.

352220109 is a deficient number, since it is larger than the sum of its proper divisors (156426291).

352220109 is a wasteful number, since it uses less digits than its factorization.

352220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 352220109 is about 18767.5280471350. The cubic root of 352220109 is about 706.2168071277.

The spelling of 352220109 in words is "three hundred fifty-two million, two hundred twenty thousand, one hundred nine".