1226418 has 16 divisors (see below), whose sum is σ = 2505600. Its totient is φ = 400016.

The previous prime is 1226417. The next prime is 1226461. The reversal of 1226418 is 8146221.

It is a super-2 number, since 2×1226418² = 3008202221448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226417) by changing a digit.

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, 1893 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

2^1226418 is an apocalyptic number.

1226418 is an abundant number, since it is smaller than the sum of its proper divisors (1279182).

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

1226418 is a wasteful number, since it uses less digits than its factorization.

1226418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401.

The product of its digits is 768, while the sum is 24.

The square root of 1226418 is about 1107.4375828912. The cubic root of 1226418 is about 107.0400176401.

The spelling of 1226418 in words is "one million, two hundred twenty-six thousand, four hundred eighteen".