722602 has 16 divisors (see below), whose sum is σ = 1172232. Its totient is φ = 332800.

The previous prime is 722599. The next prime is 722611. The reversal of 722602 is 206227.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 32041 = 831^2 + 179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 722602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 2002.

2⁷²²⁶⁰² is an apocalyptic number.

722602 is a deficient number, since it is larger than the sum of its proper divisors (449630).

722602 is a wasteful number, since it uses less digits than its factorization.

722602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 722602 is about 850.0599978825. The cubic root of 722602 is about 89.7359337882.

Adding to 722602 its reverse (206227), we get a palindrome (928829).

The spelling of 722602 in words is "seven hundred twenty-two thousand, six hundred two".