722839830425 has 24 divisors (see below), whose sum is σ = 949474723032. Its totient is φ = 544010112000.

The previous prime is 722839830407. The next prime is 722839830437. The reversal of 722839830425 is 524038938227.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 31633823881 + 691206006544 = 177859^2 + 831388^2 .

It is not a de Polignac number, because 722839830425 - 2¹⁰ = 722839829401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561035 + ... + 1326815.

It is an arithmetic number, because the mean of its divisors is an integer number (39561446793).

Almost surely, 2^722839830425 is an apocalyptic number.

It is an amenable number.

722839830425 is a deficient number, since it is larger than the sum of its proper divisors (226634892607).

722839830425 is a wasteful number, since it uses less digits than its factorization.

722839830425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768029 (or 768024 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 722839830425 in words is "seven hundred twenty-two billion, eight hundred thirty-nine million, eight hundred thirty thousand, four hundred twenty-five".