722040322 has 16 divisors (see below), whose sum is σ = 1099308672. Its totient is φ = 355613440.

The previous prime is 722040301. The next prime is 722040353. The reversal of 722040322 is 223040227.

It is a junction number, because it is equal to n+sod(n) for n = 722040293 and 722040302.

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, 260898 + ... + 263650.

It is an arithmetic number, because the mean of its divisors is an integer number (68706792).

Almost surely, 2^722040322 is an apocalyptic number.

722040322 is a deficient number, since it is larger than the sum of its proper divisors (377268350).

722040322 is a wasteful number, since it uses less digits than its factorization.

722040322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 722040322 is about 26870.8079893404. The cubic root of 722040322 is about 897.1267720307.

Adding to 722040322 its reverse (223040227), we get a palindrome (945080549).

The spelling of 722040322 in words is "seven hundred twenty-two million, forty thousand, three hundred twenty-two".