722829399 has 8 divisors (see below), whose sum is σ = 970807920. Its totient is φ = 478368576.

The previous prime is 722829397. The next prime is 722829439. The reversal of 722829399 is 993928227.

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

It is not a de Polignac number, because 722829399 - 2¹ = 722829397 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722829391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 878944 + ... + 879765.

It is an arithmetic number, because the mean of its divisors is an integer number (121350990).

Almost surely, 2^722829399 is an apocalyptic number.

722829399 is a deficient number, since it is larger than the sum of its proper divisors (247978521).

722829399 is a wasteful number, since it uses less digits than its factorization.

722829399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758849.

The product of its digits is 979776, while the sum is 51.

The square root of 722829399 is about 26885.4867726065. The cubic root of 722829399 is about 897.4534594106.

The spelling of 722829399 in words is "seven hundred twenty-two million, eight hundred twenty-nine thousand, three hundred ninety-nine".