670222 has 16 divisors (see below), whose sum is σ = 1173600. Its totient is φ = 286944.

The previous prime is 670217. The next prime is 670223. The reversal of 670222 is 222076.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 670222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670223) by changing a digit.

670222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 1174.

It is an arithmetic number, because the mean of its divisors is an integer number (73350).

2⁶⁷⁰²²² is an apocalyptic number.

670222 is a deficient number, since it is larger than the sum of its proper divisors (503378).

670222 is an equidigital number, since it uses as much as digits as its factorization.

670222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 986 counting only the distinct ones).

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

The square root of 670222 is about 818.6708740391. The cubic root of 670222 is about 87.5130647159.

Adding to 670222 its reverse (222076), we get a palindrome (892298).

It can be divided in two parts, 6702 and 22, that added together give a square (6724 = 82²).

The spelling of 670222 in words is "six hundred seventy thousand, two hundred twenty-two".