224123239 has 2 divisors, whose sum is σ = 224123240. Its totient is φ = 224123238.

The previous prime is 224123227. The next prime is 224123243. The reversal of 224123239 is 932321422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224123239 - 2²¹ = 222026087 is a prime.

It is a super-2 number, since 2×224123239² = 100462452519702242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224123209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112061619 + 112061620.

It is an arithmetic number, because the mean of its divisors is an integer number (112061620).

Almost surely, 2^224123239 is an apocalyptic number.

224123239 is a deficient number, since it is larger than the sum of its proper divisors (1).

224123239 is an equidigital number, since it uses as much as digits as its factorization.

224123239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 224123239 is about 14970.7461069915. The cubic root of 224123239 is about 607.4291507976.

It can be divided in two parts, 22412 and 3239, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 224123239 in words is "two hundred twenty-four million, one hundred twenty-three thousand, two hundred thirty-nine".