224154839 has 2 divisors, whose sum is σ = 224154840. Its totient is φ = 224154838.

The previous prime is 224154793. The next prime is 224154851. The reversal of 224154839 is 938451422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224154839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224154859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112077419 + 112077420.

It is an arithmetic number, because the mean of its divisors is an integer number (112077420).

Almost surely, 2^224154839 is an apocalyptic number.

224154839 is a deficient number, since it is larger than the sum of its proper divisors (1).

224154839 is an equidigital number, since it uses as much as digits as its factorization.

224154839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 224154839 is about 14971.8014614141. The cubic root of 224154839 is about 607.4576973823.

The spelling of 224154839 in words is "two hundred twenty-four million, one hundred fifty-four thousand, eight hundred thirty-nine".