224122331 has 2 divisors, whose sum is σ = 224122332. Its totient is φ = 224122330.

The previous prime is 224122313. The next prime is 224122387. The reversal of 224122331 is 133221422.

Together with previous prime (224122313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224122331 is a prime.

It is a super-2 number, since 2×224122331² = 100461638505747122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224122631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112061165 + 112061166.

It is an arithmetic number, because the mean of its divisors is an integer number (112061166).

Almost surely, 2^224122331 is an apocalyptic number.

224122331 is a deficient number, since it is larger than the sum of its proper divisors (1).

224122331 is an equidigital number, since it uses as much as digits as its factorization.

224122331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 224122331 is about 14970.7157811509. The cubic root of 224122331 is about 607.4283304953.

Adding to 224122331 its reverse (133221422), we get a palindrome (357343753).

Subtracting from 224122331 its reverse (133221422), we obtain a palindrome (90900909).

The spelling of 224122331 in words is "two hundred twenty-four million, one hundred twenty-two thousand, three hundred thirty-one".