722020570655 has 12 divisors (see below), whose sum is σ = 883080783480. Its totient is φ = 566718021792.

The previous prime is 722020570637. The next prime is 722020570679. The reversal of 722020570655 is 556075020227.

It is not a de Polignac number, because 722020570655 - 2²⁴ = 722003793439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25689785 + ... + 25717874.

It is an arithmetic number, because the mean of its divisors is an integer number (73590065290).

Almost surely, 2^722020570655 is an apocalyptic number.

722020570655 is a deficient number, since it is larger than the sum of its proper divisors (161060212825).

722020570655 is an equidigital number, since it uses as much as digits as its factorization.

722020570655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51407770 (or 51407717 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 722020570655 in words is "seven hundred twenty-two billion, twenty million, five hundred seventy thousand, six hundred fifty-five".