722118384421 has 8 divisors (see below), whose sum is σ = 868713846080. Its totient is φ = 586381845888.

The previous prime is 722118384413. The next prime is 722118384467. The reversal of 722118384421 is 124483811227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722118384421 - 2³ = 722118384413 is a prime.

It is a super-2 number, since 2×722118384421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722118384721) 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, 2714730636 + ... + 2714730901.

It is an arithmetic number, because the mean of its divisors is an integer number (108589230760).

Almost surely, 2^722118384421 is an apocalyptic number.

It is an amenable number.

722118384421 is a deficient number, since it is larger than the sum of its proper divisors (146595461659).

722118384421 is a wasteful number, since it uses less digits than its factorization.

722118384421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429461563.

The product of its digits is 172032, while the sum is 43.

The spelling of 722118384421 in words is "seven hundred twenty-two billion, one hundred eighteen million, three hundred eighty-four thousand, four hundred twenty-one".