868822 has 4 divisors (see below), whose sum is σ = 1303236. Its totient is φ = 434410.

The previous prime is 868817. The next prime is 868841. The reversal of 868822 is 228868.

It is a happy number.

868822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is an unprimeable number.

868822 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 as a sum of consecutive naturals, namely, 217204 + ... + 217207.

It is an arithmetic number, because the mean of its divisors is an integer number (325809).

2⁸⁶⁸⁸²² is an apocalyptic number.

868822 is a deficient number, since it is larger than the sum of its proper divisors (434414).

868822 is a wasteful number, since it uses less digits than its factorization.

868822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434413.

The product of its digits is 12288, while the sum is 34.

The square root of 868822 is about 932.1062171233. The cubic root of 868822 is about 95.4209208030.

The spelling of 868822 in words is "eight hundred sixty-eight thousand, eight hundred twenty-two".