722922 has 16 divisors (see below), whose sum is σ = 1467072. Its totient is φ = 237440.

The previous prime is 722921. The next prime is 722933. The reversal of 722922 is 229227.

It is a junction number, because it is equal to n+sod(n) for n = 722892 and 722901.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722922.

It is not an unprimeable number, because it can be changed into a prime (722921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (91692).

2⁷²²⁹²² is an apocalyptic number.

722922 is an abundant number, since it is smaller than the sum of its proper divisors (744150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722922 is a wasteful number, since it uses less digits than its factorization.

722922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its digits is 1008, while the sum is 24.

The square root of 722922 is about 850.2481990572. The cubic root of 722922 is about 89.7491781749.

The spelling of 722922 in words is "seven hundred twenty-two thousand, nine hundred twenty-two".