331221222999970 has 16 divisors (see below), whose sum is σ = 596198801871288. Its totient is φ = 132488355761920.

The previous prime is 331221222999949. The next prime is 331221222999971. The reversal of 331221222999970 is 79999222122133.

It can be written as a sum of positive squares in 4 ways, for example, as 213230640651561 + 117990582348409 = 14602419^2 + 10862347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331221222999899 and 331221222999908.

It is not an unprimeable number, because it can be changed into a prime (331221222999971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5924221 + ... + 26410960.

Almost surely, 2^{331221222999970} is an apocalyptic number.

331221222999970 is a deficient number, since it is larger than the sum of its proper divisors (264977578871318).

331221222999970 is a wasteful number, since it uses less digits than its factorization.

331221222999970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33359525.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 331221222999970 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred seventy".