224345239 has 2 divisors, whose sum is σ = 224345240. Its totient is φ = 224345238.

The previous prime is 224345183. The next prime is 224345249. The reversal of 224345239 is 932543422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224345239 - 2¹⁵ = 224312471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224345249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112172619 + 112172620.

It is an arithmetic number, because the mean of its divisors is an integer number (112172620).

Almost surely, 2^224345239 is an apocalyptic number.

224345239 is a deficient number, since it is larger than the sum of its proper divisors (1).

224345239 is an equidigital number, since it uses as much as digits as its factorization.

224345239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 224345239 is about 14978.1587319670. The cubic root of 224345239 is about 607.6296428314.

The spelling of 224345239 in words is "two hundred twenty-four million, three hundred forty-five thousand, two hundred thirty-nine".