6945315321222 has 64 divisors (see below), whose sum is σ = 15490387200960. Its totient is φ = 2306655896832.

The previous prime is 6945315321209. The next prime is 6945315321233. The reversal of 6945315321222 is 2221235135496.

It is a happy number.

6945315321222 is a `hidden beast` number, since 6 + 9 + 4 + 5 + 315 + 321 + 2 + 2 + 2 = 666.

It is a super-2 number, since 2×6945315321222² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 69519418 + ... + 69619250.

It is an arithmetic number, because the mean of its divisors is an integer number (242037300015).

Almost surely, 2^{6945315321222} is an apocalyptic number.

6945315321222 is an abundant number, since it is smaller than the sum of its proper divisors (8545071879738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945315321222 is a wasteful number, since it uses less digits than its factorization.

6945315321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104534 (or 104528 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 6945315321222 in words is "six trillion, nine hundred forty-five billion, three hundred fifteen million, three hundred twenty-one thousand, two hundred twenty-two".