722144956 has 12 divisors (see below), whose sum is σ = 1360965592. Its totient is φ = 333297648.

The previous prime is 722144933. The next prime is 722144959. The reversal of 722144956 is 659441227.

722144956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722144959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6943650 + ... + 6943753.

Almost surely, 2^722144956 is an apocalyptic number.

It is an amenable number.

722144956 is a deficient number, since it is larger than the sum of its proper divisors (638820636).

722144956 is a wasteful number, since it uses less digits than its factorization.

722144956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887420 (or 13887418 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 722144956 is about 26872.7549015727. The cubic root of 722144956 is about 897.1701054503.

The spelling of 722144956 in words is "seven hundred twenty-two million, one hundred forty-four thousand, nine hundred fifty-six".