1224226117 has 4 divisors (see below), whose sum is σ = 1296239436. Its totient is φ = 1152212800.

The previous prime is 1224226111. The next prime is 1224226123. The reversal of 1224226117 is 7116224221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1224226111) and next prime (1224226123).

It can be written as a sum of positive squares in 2 ways, for example, as 328660641 + 895565476 = 18129^2 + 29926^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224226117 - 2²³ = 1215837509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224226111) 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, 36006634 + ... + 36006667.

It is an arithmetic number, because the mean of its divisors is an integer number (324059859).

Almost surely, 2^1224226117 is an apocalyptic number.

1224226117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1224226117 is a deficient number, since it is larger than the sum of its proper divisors (72013319).

1224226117 is an equidigital number, since it uses as much as digits as its factorization.

1224226117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72013318.

The product of its digits is 2688, while the sum is 28.

The square root of 1224226117 is about 34988.9427819704. The cubic root of 1224226117 is about 1069.7621147004.

The spelling of 1224226117 in words is "one billion, two hundred twenty-four million, two hundred twenty-six thousand, one hundred seventeen".