606722 has 4 divisors (see below), whose sum is σ = 910086. Its totient is φ = 303360.

The previous prime is 606721. The next prime is 606731. The reversal of 606722 is 227606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 534361 + 72361 = 731^2 + 269^2 .

It is a super-2 number, since 2×606722² = 736223170568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (606721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151679 + ... + 151682.

2⁶⁰⁶⁷²² is an apocalyptic number.

606722 is a deficient number, since it is larger than the sum of its proper divisors (303364).

606722 is a wasteful number, since it uses less digits than its factorization.

606722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303363.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 606722 is about 778.9236162808. The cubic root of 606722 is about 84.6570727826.

The spelling of 606722 in words is "six hundred six thousand, seven hundred twenty-two".