1222946 has 8 divisors (see below), whose sum is σ = 1942380. Its totient is φ = 575488.

The previous prime is 1222943. The next prime is 1222957. The reversal of 1222946 is 6492221.

1222946 = T₁₉₃ + T₁₉₄ + ... + T₂₄₃.

It can be written as a sum of positive squares in 2 ways, for example, as 1030225 + 192721 = 1015^2 + 439^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 17951 + ... + 18018.

2^1222946 is an apocalyptic number.

1222946 is a deficient number, since it is larger than the sum of its proper divisors (719434).

1222946 is a wasteful number, since it uses less digits than its factorization.

1222946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35988.

The product of its digits is 1728, while the sum is 26.

The square root of 1222946 is about 1105.8688891546. The cubic root of 1222946 is about 106.9389117632.

The spelling of 1222946 in words is "one million, two hundred twenty-two thousand, nine hundred forty-six".