722189203273938 has 16 divisors (see below), whose sum is σ = 1445847764043456. Its totient is φ = 240484841508720.

The previous prime is 722189203273933. The next prime is 722189203273943. The reversal of 722189203273938 is 839372302981227.

It is an interprime number because it is at equal distance from previous prime (722189203273933) and next prime (722189203273943).

It is not an unprimeable number, because it can be changed into a prime (722189203273933) 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, 61223222593 + ... + 61223234388.

It is an arithmetic number, because the mean of its divisors is an integer number (90365485252716).

Almost surely, 2^{722189203273938} is an apocalyptic number.

722189203273938 is an abundant number, since it is smaller than the sum of its proper divisors (723658560769518).

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

722189203273938 is a wasteful number, since it uses less digits than its factorization.

722189203273938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122446457969.

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 722189203273938 in words is "seven hundred twenty-two trillion, one hundred eighty-nine billion, two hundred three million, two hundred seventy-three thousand, nine hundred thirty-eight".