1222814 has 12 divisors (see below), whose sum is σ = 1902264. Its totient is φ = 589512.

The previous prime is 1222811. The next prime is 1222829. The reversal of 1222814 is 4182221.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222811) 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, 1319 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (158522).

2^1222814 is an apocalyptic number.

1222814 is a deficient number, since it is larger than the sum of its proper divisors (679450).

1222814 is an equidigital number, since it uses as much as digits as its factorization.

1222814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 758 counting only the distinct ones).

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

The square root of 1222814 is about 1105.8092059664. The cubic root of 1222814 is about 106.9350641023.

The spelling of 1222814 in words is "one million, two hundred twenty-two thousand, eight hundred fourteen".