1122204 has 24 divisors (see below), whose sum is σ = 2773008. Its totient is φ = 352000.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122204 is 4022211.

It is an interprime number because it is at equal distance from previous prime (1122181) and next prime (1122227).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1122204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2547 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (115542).

2^1122204 is an apocalyptic number.

It is an amenable number.

1122204 is an abundant number, since it is smaller than the sum of its proper divisors (1650804).

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

1122204 is a wasteful number, since it uses less digits than its factorization.

1122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525 (or 5523 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1122204 is about 1059.3413047739. The cubic root of 1122204 is about 103.9179579793.

Adding to 1122204 its reverse (4022211), we get a palindrome (5144415).

It can be divided in two parts, 1122 and 204, that added together give a triangular number (1326 = T₅₁).

The spelling of 1122204 in words is "one million, one hundred twenty-two thousand, two hundred four".