879222 has 32 divisors (see below), whose sum is σ = 1889280. Its totient is φ = 272160.

The previous prime is 879199. The next prime is 879227. The reversal of 879222 is 222978.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 879222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879227) by changing a digit.

879222 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 15 ways as a sum of consecutive naturals, for example, 5313 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁸⁷⁹²²² is an apocalyptic number.

879222 is an abundant number, since it is smaller than the sum of its proper divisors (1010058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879222 is a wasteful number, since it uses less digits than its factorization.

879222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its digits is 4032, while the sum is 30.

The square root of 879222 is about 937.6683848782. The cubic root of 879222 is about 95.8001484766.

The spelling of 879222 in words is "eight hundred seventy-nine thousand, two hundred twenty-two".