859222 has 16 divisors (see below), whose sum is σ = 1586592. Its totient is φ = 339840.

The previous prime is 859213. The next prime is 859223. The reversal of 859222 is 222958.

859222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8² + 5 + 2⁵ + 9⁶ + 2¹⁶ + 2¹⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859223) by changing a digit.

859222 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 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (99162).

2⁸⁵⁹²²² is an apocalyptic number.

859222 is a deficient number, since it is larger than the sum of its proper divisors (727370).

859222 is a wasteful number, since it uses less digits than its factorization.

859222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743.

The product of its digits is 2880, while the sum is 28.

The square root of 859222 is about 926.9422851505. The cubic root of 859222 is about 95.0681689856.

It can be divided in two parts, 859 and 222, that added together give a triangular number (1081 = T₄₆).

The spelling of 859222 in words is "eight hundred fifty-nine thousand, two hundred twenty-two".