351343220444 has 24 divisors (see below), whose sum is σ = 624228062640. Its totient is φ = 172999718784.

The previous prime is 351343220441. The next prime is 351343220453. The reversal of 351343220444 is 444022343153.

It is a super-2 number, since 2×351343220444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351343220441) 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 7 ways as a sum of consecutive naturals, for example, 730634 + ... + 1111985.

It is an arithmetic number, because the mean of its divisors is an integer number (26009502610).

Almost surely, 2^351343220444 is an apocalyptic number.

It is an amenable number.

351343220444 is a deficient number, since it is larger than the sum of its proper divisors (272884842196).

351343220444 is a wasteful number, since it uses less digits than its factorization.

351343220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843349 (or 1843347 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 351343220444 its reverse (444022343153), we get a palindrome (795365563597).

It can be divided in two parts, 351343 and 220444, that added together give a cube (571787 = 83³).

The spelling of 351343220444 in words is "three hundred fifty-one billion, three hundred forty-three million, two hundred twenty thousand, four hundred forty-four".