679222 has 8 divisors (see below), whose sum is σ = 1022400. Its totient is φ = 338424.

The previous prime is 679219. The next prime is 679223. The reversal of 679222 is 222976.

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

It is a super-2 number, since 2×679222² = 922685050568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 604 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (127800).

2⁶⁷⁹²²² is an apocalyptic number.

679222 is a deficient number, since it is larger than the sum of its proper divisors (343178).

679222 is a wasteful number, since it uses less digits than its factorization.

679222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190.

The product of its digits is 3024, while the sum is 28.

The square root of 679222 is about 824.1492583264. The cubic root of 679222 is about 87.9030440423.

The spelling of 679222 in words is "six hundred seventy-nine thousand, two hundred twenty-two".