1222684 has 12 divisors (see below), whose sum is σ = 2175208. Its totient is φ = 601200.

The previous prime is 1222681. The next prime is 1222693. The reversal of 1222684 is 4862221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222681) 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, 2262 + ... + 2749.

2^1222684 is an apocalyptic number.

It is an amenable number.

1222684 is a deficient number, since it is larger than the sum of its proper divisors (952524).

1222684 is a wasteful number, since it uses less digits than its factorization.

1222684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5074 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1222684 is about 1105.7504239203. The cubic root of 1222684 is about 106.9312744687.

The spelling of 1222684 in words is "one million, two hundred twenty-two thousand, six hundred eighty-four".