722231143 has 8 divisors (see below), whose sum is σ = 725760000. Its totient is φ = 718711608.

The previous prime is 722231137. The next prime is 722231171. The reversal of 722231143 is 341132227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722231143 - 2²⁵ = 688676711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722231843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189228 + ... + 193006.

It is an arithmetic number, because the mean of its divisors is an integer number (90720000).

Almost surely, 2^722231143 is an apocalyptic number.

722231143 is a deficient number, since it is larger than the sum of its proper divisors (3528857).

722231143 is a wasteful number, since it uses less digits than its factorization.

722231143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661.

The product of its digits is 2016, while the sum is 25.

The square root of 722231143 is about 26874.3584667616. The cubic root of 722231143 is about 897.2057960334.

The spelling of 722231143 in words is "seven hundred twenty-two million, two hundred thirty-one thousand, one hundred forty-three".