1166222 has 8 divisors (see below), whose sum is σ = 1755000. Its totient is φ = 581224.

The previous prime is 1166219. The next prime is 1166227. The reversal of 1166222 is 2226611.

It is a happy number.

1166222 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1166194 and 1166203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (219375).

2^1166222 is an apocalyptic number.

1166222 is a deficient number, since it is larger than the sum of its proper divisors (588778).

1166222 is a wasteful number, since it uses less digits than its factorization.

1166222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890.

The product of its digits is 288, while the sum is 20.

The square root of 1166222 is about 1079.9175894484. The cubic root of 1166222 is about 105.2592836206.

It can be divided in two parts, 1166 and 222, that multiplied together give a palindrome (258852).

The spelling of 1166222 in words is "one million, one hundred sixty-six thousand, two hundred twenty-two".