1166022 has 64 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 324000.

The previous prime is 1166021. The next prime is 1166027. The reversal of 1166022 is 2206611.

It is a happy number.

1166022 is a `hidden beast` number, since 1 + 1 + 660 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1165986 and 1166004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7647 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2^1166022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1166022 is an abundant number, since it is smaller than the sum of its proper divisors (1898298).

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

1166022 is a wasteful number, since it uses less digits than its factorization.

1166022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1166022 is about 1079.8249858195. The cubic root of 1166022 is about 105.2532661670.

The spelling of 1166022 in words is "one million, one hundred sixty-six thousand, twenty-two".