722486844 has 48 divisors (see below), whose sum is σ = 1876842240. Its totient is φ = 240349680.

The previous prime is 722486819. The next prime is 722486909. The reversal of 722486844 is 448684227.

It is a self number, because there is not a number n which added to its sum of digits gives 722486844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50089 + ... + 62879.

It is an arithmetic number, because the mean of its divisors is an integer number (39100880).

Almost surely, 2^722486844 is an apocalyptic number.

It is an amenable number.

722486844 is an abundant number, since it is smaller than the sum of its proper divisors (1154355396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722486844 is a wasteful number, since it uses less digits than its factorization.

722486844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327 (or 13319 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 722486844 is about 26879.1153872295. The cubic root of 722486844 is about 897.3116667335.

The spelling of 722486844 in words is "seven hundred twenty-two million, four hundred eighty-six thousand, eight hundred forty-four".