722430833 has 4 divisors (see below), whose sum is σ = 726863088. Its totient is φ = 717998580.

The previous prime is 722430829. The next prime is 722430847. The reversal of 722430833 is 338034227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722430833 - 2² = 722430829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722430833.

It is not an unprimeable number, because it can be changed into a prime (722430823) 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 3 ways as a sum of consecutive naturals, for example, 2215883 + ... + 2216208.

It is an arithmetic number, because the mean of its divisors is an integer number (181715772).

Almost surely, 2^722430833 is an apocalyptic number.

It is an amenable number.

722430833 is a deficient number, since it is larger than the sum of its proper divisors (4432255).

722430833 is a wasteful number, since it uses less digits than its factorization.

722430833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432254.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 722430833 is about 26878.0734614667. The cubic root of 722430833 is about 897.2884780194.

The spelling of 722430833 in words is "seven hundred twenty-two million, four hundred thirty thousand, eight hundred thirty-three".