351522223252 has 48 divisors (see below), whose sum is σ = 648616655232. Its totient is φ = 166364668800.

The previous prime is 351522223231. The next prime is 351522223253. The reversal of 351522223252 is 252322225153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351522223253) 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 15 ways as a sum of consecutive naturals, for example, 19067263 + ... + 19085689.

It is an arithmetic number, because the mean of its divisors is an integer number (13512846984).

Almost surely, 2^351522223252 is an apocalyptic number.

It is an amenable number.

351522223252 is a deficient number, since it is larger than the sum of its proper divisors (297094431980).

351522223252 is a wasteful number, since it uses less digits than its factorization.

351522223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608 (or 20606 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The spelling of 351522223252 in words is "three hundred fifty-one billion, five hundred twenty-two million, two hundred twenty-three thousand, two hundred fifty-two".