222863 has 2 divisors, whose sum is σ = 222864. Its totient is φ = 222862.

The previous prime is 222857. The next prime is 222877. The reversal of 222863 is 368222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222863 - 2⁶ = 222799 is a prime.

It is an Ulam number.

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 (222823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111431 + 111432.

It is an arithmetic number, because the mean of its divisors is an integer number (111432).

2²²²⁸⁶³ is an apocalyptic number.

222863 is a deficient number, since it is larger than the sum of its proper divisors (1).

222863 is an equidigital number, since it uses as much as digits as its factorization.

222863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 222863 is about 472.0836790231. The cubic root of 222863 is about 60.6288490843.

The spelling of 222863 in words is "two hundred twenty-two thousand, eight hundred sixty-three".