6938224157223 has 12 divisors (see below), whose sum is σ = 10022287167360. Its totient is φ = 4625294542656.

The previous prime is 6938224157219. The next prime is 6938224157351. The reversal of 6938224157223 is 3227514228396.

6938224157223 is a `hidden beast` number, since 6 + 9 + 3 + 8 + 2 + 2 + 41 + 572 + 23 = 666.

It is not a de Polignac number, because 6938224157223 - 2² = 6938224157219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6938224157223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938224157023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15452103 + ... + 15894776.

It is an arithmetic number, because the mean of its divisors is an integer number (835190597280).

Almost surely, 2^{6938224157223} is an apocalyptic number.

6938224157223 is a deficient number, since it is larger than the sum of its proper divisors (3084063010137).

6938224157223 is a wasteful number, since it uses less digits than its factorization.

6938224157223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371478 (or 31371475 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 6938224157223 in words is "six trillion, nine hundred thirty-eight billion, two hundred twenty-four million, one hundred fifty-seven thousand, two hundred twenty-three".