722406460331 has 8 divisors (see below), whose sum is σ = 760469555280. Its totient is φ = 684347535648.

The previous prime is 722406460327. The next prime is 722406460337. The reversal of 722406460331 is 133064604227.

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 722406460331 - 2² = 722406460327 is a prime.

It is a super-2 number, since 2×722406460331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722406460337) 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, 683816 + ... + 1382901.

It is an arithmetic number, because the mean of its divisors is an integer number (95058694410).

Almost surely, 2^722406460331 is an apocalyptic number.

722406460331 is a deficient number, since it is larger than the sum of its proper divisors (38063094949).

722406460331 is a wasteful number, since it uses less digits than its factorization.

722406460331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085133.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 722406460331 in words is "seven hundred twenty-two billion, four hundred six million, four hundred sixty thousand, three hundred thirty-one".