722144022 has 64 divisors (see below), whose sum is σ = 1544417280. Its totient is φ = 224671104.

The previous prime is 722143999. The next prime is 722144081. The reversal of 722144022 is 220441227.

It is a junction number, because it is equal to n+sod(n) for n = 722143983 and 722144001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1435423 + ... + 1435925.

It is an arithmetic number, because the mean of its divisors is an integer number (24131520).

Almost surely, 2^722144022 is an apocalyptic number.

722144022 is an abundant number, since it is smaller than the sum of its proper divisors (822273258).

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

722144022 is a wasteful number, since it uses less digits than its factorization.

722144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 722144022 is about 26872.7375233712. The cubic root of 722144022 is about 897.1697186594.

Adding to 722144022 its reverse (220441227), we get a palindrome (942585249).

The spelling of 722144022 in words is "seven hundred twenty-two million, one hundred forty-four thousand, twenty-two".