722401631045 has 8 divisors (see below), whose sum is σ = 867261018624. Its totient is φ = 577668597264.

The previous prime is 722401630967. The next prime is 722401631089. The reversal of 722401631045 is 540136104227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722401631045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722401630996 and 722401631014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31575869 + ... + 31598738.

It is an arithmetic number, because the mean of its divisors is an integer number (108407627328).

Almost surely, 2^722401631045 is an apocalyptic number.

It is an amenable number.

722401631045 is a deficient number, since it is larger than the sum of its proper divisors (144859387579).

722401631045 is a wasteful number, since it uses less digits than its factorization.

722401631045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63176899.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 722401631045 in words is "seven hundred twenty-two billion, four hundred one million, six hundred thirty-one thousand, forty-five".