722450722 has 16 divisors (see below), whose sum is σ = 1278438912. Its totient is φ = 299633760.

The previous prime is 722450689. The next prime is 722450747. The reversal of 722450722 is 227054227.

722450722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 831883 + ... + 832750.

It is an arithmetic number, because the mean of its divisors is an integer number (79902432).

Almost surely, 2^722450722 is an apocalyptic number.

722450722 is a deficient number, since it is larger than the sum of its proper divisors (555988190).

722450722 is a wasteful number, since it uses less digits than its factorization.

722450722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664673.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 722450722 is about 26878.4434445152. The cubic root of 722450722 is about 897.2967122595.

The spelling of 722450722 in words is "seven hundred twenty-two million, four hundred fifty thousand, seven hundred twenty-two".