867222 has 12 divisors (see below), whose sum is σ = 1879020. Its totient is φ = 289068.

The previous prime is 867211. The next prime is 867227. The reversal of 867222 is 222768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867227) by changing a digit.

867222 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 5 ways as a sum of consecutive naturals, for example, 24072 + ... + 24107.

It is an arithmetic number, because the mean of its divisors is an integer number (156585).

2⁸⁶⁷²²² is an apocalyptic number.

867222 is an abundant number, since it is smaller than the sum of its proper divisors (1011798).

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

867222 is a wasteful number, since it uses less digits than its factorization.

867222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48187 (or 48184 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 867222 is about 931.2475503323. The cubic root of 867222 is about 95.3623099141.

It can be divided in two parts, 867 and 222, that added together give a square (1089 = 33²).

The spelling of 867222 in words is "eight hundred sixty-seven thousand, two hundred twenty-two".