869222 has 4 divisors (see below), whose sum is σ = 1303836. Its totient is φ = 434610.

The previous prime is 869203. The next prime is 869233. The reversal of 869222 is 222968.

It is a happy number.

869222 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 pancake number, because a pancake can be divided into 869222 parts by 1318 straight cuts.

It is a congruent number.

It is an unprimeable number.

869222 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, 217304 + ... + 217307.

It is an arithmetic number, because the mean of its divisors is an integer number (325959).

2⁸⁶⁹²²² is an apocalyptic number.

869222 is a deficient number, since it is larger than the sum of its proper divisors (434614).

869222 is a wasteful number, since it uses less digits than its factorization.

869222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434613.

The product of its digits is 3456, while the sum is 29.

The square root of 869222 is about 932.3207602537. The cubic root of 869222 is about 95.4355622801.

The spelling of 869222 in words is "eight hundred sixty-nine thousand, two hundred twenty-two".