860022 has 12 divisors (see below), whose sum is σ = 1863420. Its totient is φ = 286668.

The previous prime is 860011. The next prime is 860029. The reversal of 860022 is 220068.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 47779 = 860022 / (8 + 6 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 859977 and 860004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860029) by changing a digit.

860022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23872 + ... + 23907.

It is an arithmetic number, because the mean of its divisors is an integer number (155285).

2⁸⁶⁰⁰²² is an apocalyptic number.

860022 is an abundant number, since it is smaller than the sum of its proper divisors (1003398).

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

860022 is a wasteful number, since it uses less digits than its factorization.

860022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47787 (or 47784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 860022 is about 927.3737110788. The cubic root of 860022 is about 95.0976650271.

The spelling of 860022 in words is "eight hundred sixty thousand, twenty-two".