662722 has 8 divisors (see below), whose sum is σ = 1037376. Its totient is φ = 316932.

The previous prime is 662719. The next prime is 662743. The reversal of 662722 is 227266.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7158 + ... + 7249.

It is an arithmetic number, because the mean of its divisors is an integer number (129672).

2⁶⁶²⁷²² is an apocalyptic number.

662722 is a deficient number, since it is larger than the sum of its proper divisors (374654).

662722 is a wasteful number, since it uses less digits than its factorization.

662722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432.

The product of its digits is 2016, while the sum is 25.

The square root of 662722 is about 814.0773918983. The cubic root of 662722 is about 87.1854063337.

Adding to 662722 its reverse (227266), we get a palindrome (889988).

The spelling of 662722 in words is "six hundred sixty-two thousand, seven hundred twenty-two".