722123380 has 24 divisors (see below), whose sum is σ = 1654319520. Its totient is φ = 262590240.

The previous prime is 722123377. The next prime is 722123401. The reversal of 722123380 is 83321227.

722123380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640970 + ... + 1641409.

It is an arithmetic number, because the mean of its divisors is an integer number (68929980).

Almost surely, 2^722123380 is an apocalyptic number.

It is an amenable number.

722123380 is an abundant number, since it is smaller than the sum of its proper divisors (932196140).

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

722123380 is a wasteful number, since it uses less digits than its factorization.

722123380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282399 (or 3282397 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 722123380 is about 26872.3534510843. The cubic root of 722123380 is about 897.1611702474.

The spelling of 722123380 in words is "seven hundred twenty-two million, one hundred twenty-three thousand, three hundred eighty".