1222184 has 16 divisors (see below), whose sum is σ = 2354100. Its totient is φ = 594432.

The previous prime is 1222171. The next prime is 1222187. The reversal of 1222184 is 4812221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 77284 = 1070^2 + 278^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1222187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 2360.

2^1222184 is an apocalyptic number.

It is an amenable number.

1222184 is a deficient number, since it is larger than the sum of its proper divisors (1131916).

1222184 is a wasteful number, since it uses less digits than its factorization.

1222184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4168 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1222184 is about 1105.5243099996. The cubic root of 1222184 is about 106.9166964511.

The spelling of 1222184 in words is "one million, two hundred twenty-two thousand, one hundred eighty-four".