609722 has 16 divisors (see below), whose sum is σ = 984960. Its totient is φ = 282048.

The previous prime is 609709. The next prime is 609743. The reversal of 609722 is 227906.

It is a junction number, because it is equal to n+sod(n) for n = 609691 and 609700.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609722.

It is an unprimeable number.

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, 2573 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁶⁰⁹⁷²² is an apocalyptic number.

609722 is a deficient number, since it is larger than the sum of its proper divisors (375238).

609722 is a wasteful number, since it uses less digits than its factorization.

609722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 609722 is about 780.8469760459. The cubic root of 609722 is about 84.7963753346.

It can be divided in two parts, 609 and 722, that added together give a palindrome (1331).

The spelling of 609722 in words is "six hundred nine thousand, seven hundred twenty-two".