722207860 has 144 divisors (see below), whose sum is σ = 1783051200. Its totient is φ = 244823040.

The previous prime is 722207831. The next prime is 722207867. The reversal of 722207860 is 68702227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722207867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5195671 + ... + 5195809.

It is an arithmetic number, because the mean of its divisors is an integer number (12382300).

Almost surely, 2^722207860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722207860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891525600).

722207860 is an abundant number, since it is smaller than the sum of its proper divisors (1060843340).

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

722207860 is a wasteful number, since it uses less digits than its factorization.

722207860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 722207860 is about 26873.9252808368. The cubic root of 722207860 is about 897.1961546754.

The spelling of 722207860 in words is "seven hundred twenty-two million, two hundred seven thousand, eight hundred sixty".