224251231 has 2 divisors, whose sum is σ = 224251232. Its totient is φ = 224251230.

The previous prime is 224251213. The next prime is 224251249. The reversal of 224251231 is 132152422.

It is a happy number.

Together with previous prime (224251213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (224251213) and next prime (224251249).

It is a cyclic number.

It is not a de Polignac number, because 224251231 - 2⁷ = 224251103 is a prime.

It is a super-2 number, since 2×224251231² = 100577229210030722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224251201) 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, 112125615 + 112125616.

It is an arithmetic number, because the mean of its divisors is an integer number (112125616).

Almost surely, 2^224251231 is an apocalyptic number.

224251231 is a deficient number, since it is larger than the sum of its proper divisors (1).

224251231 is an equidigital number, since it uses as much as digits as its factorization.

224251231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 224251231 is about 14975.0202337092. The cubic root of 224251231 is about 607.5447587360.

The spelling of 224251231 in words is "two hundred twenty-four million, two hundred fifty-one thousand, two hundred thirty-one".