722829 has 4 divisors (see below), whose sum is σ = 963776. Its totient is φ = 481884.

The previous prime is 722819. The next prime is 722833. The reversal of 722829 is 928227.

722829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 722829 - 2⁵ = 722797 is a prime.

It is a D-number.

It is a Duffinian number.

722829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 722796 and 722805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722819) 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, 120469 + ... + 120474.

It is an arithmetic number, because the mean of its divisors is an integer number (240944).

2⁷²²⁸²⁹ is an apocalyptic number.

It is an amenable number.

722829 is a deficient number, since it is larger than the sum of its proper divisors (240947).

722829 is a wasteful number, since it uses less digits than its factorization.

722829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240946.

The product of its digits is 4032, while the sum is 30.

The square root of 722829 is about 850.1935073852. The cubic root of 722829 is about 89.7453294280.

It can be divided in two parts, 722 and 829, that added together give a palindrome (1551).

The spelling of 722829 in words is "seven hundred twenty-two thousand, eight hundred twenty-nine".