222839 has 2 divisors, whose sum is σ = 222840. Its totient is φ = 222838.

The previous prime is 222823. The next prime is 222841. The reversal of 222839 is 938222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222839 - 2⁴ = 222823 is a prime.

Together with 222841, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111419 + 111420.

It is an arithmetic number, because the mean of its divisors is an integer number (111420).

2²²²⁸³⁹ is an apocalyptic number.

222839 is a deficient number, since it is larger than the sum of its proper divisors (1).

222839 is an equidigital number, since it uses as much as digits as its factorization.

222839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 222839 is about 472.0582591164. The cubic root of 222839 is about 60.6266726431.

The spelling of 222839 in words is "two hundred twenty-two thousand, eight hundred thirty-nine".