224210839 has 2 divisors, whose sum is σ = 224210840. Its totient is φ = 224210838.

The previous prime is 224210771. The next prime is 224210867. The reversal of 224210839 is 938012422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224210839 - 2¹⁷ = 224079767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224210839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224210869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112105419 + 112105420.

It is an arithmetic number, because the mean of its divisors is an integer number (112105420).

Almost surely, 2^224210839 is an apocalyptic number.

224210839 is a deficient number, since it is larger than the sum of its proper divisors (1).

224210839 is an equidigital number, since it uses as much as digits as its factorization.

224210839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 224210839 is about 14973.6715270504. The cubic root of 224210839 is about 607.5082796774.

The spelling of 224210839 in words is "two hundred twenty-four million, two hundred ten thousand, eight hundred thirty-nine".