1222942 has 12 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 524076.

The previous prime is 1222931. The next prime is 1222943. The reversal of 1222942 is 2492221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6142 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (177840).

2^1222942 is an apocalyptic number.

1222942 is a deficient number, since it is larger than the sum of its proper divisors (911138).

1222942 is a wasteful number, since it uses less digits than its factorization.

1222942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495 (or 12488 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1222942 is about 1105.8670806205. The cubic root of 1222942 is about 106.9387951714.

The spelling of 1222942 in words is "one million, two hundred twenty-two thousand, nine hundred forty-two".