352216122225 has 192 divisors, whose sum is σ = 697455360000. Its totient is φ = 154822348800.

The previous prime is 352216122173. The next prime is 352216122257. The reversal of 352216122225 is 522221612253.

It is not a de Polignac number, because 352216122225 - 2²³ = 352207733617 is a prime.

It is a super-2 number, since 2×352216122225² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 251762076 + ... + 251763474.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580000).

Almost surely, 2^352216122225 is an apocalyptic number.

It is an amenable number.

352216122225 is a deficient number, since it is larger than the sum of its proper divisors (345239237775).

352216122225 is a wasteful number, since it uses less digits than its factorization.

352216122225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2083 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 352216122225 its reverse (522221612253), we get a palindrome (874437734478).

The spelling of 352216122225 in words is "three hundred fifty-two billion, two hundred sixteen million, one hundred twenty-two thousand, two hundred twenty-five".