722620351381 has 8 divisors (see below), whose sum is σ = 798393841344. Its totient is φ = 650543129280.

The previous prime is 722620351351. The next prime is 722620351403. The reversal of 722620351381 is 183153026227.

722620351381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 722620351381 - 2⁷ = 722620351253 is a prime.

It is a super-2 number, since 2×722620351381² (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 (722620351351) 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, 924066555 + ... + 924067336.

It is an arithmetic number, because the mean of its divisors is an integer number (99799230168).

Almost surely, 2^722620351381 is an apocalyptic number.

It is an amenable number.

722620351381 is a deficient number, since it is larger than the sum of its proper divisors (75773489963).

722620351381 is a wasteful number, since it uses less digits than its factorization.

722620351381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848133931.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 722620351381 in words is "seven hundred twenty-two billion, six hundred twenty million, three hundred fifty-one thousand, three hundred eighty-one".