222900163 has 2 divisors, whose sum is σ = 222900164. Its totient is φ = 222900162.

The previous prime is 222900157. The next prime is 222900203. The reversal of 222900163 is 361009222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222900163 - 2⁵ = 222900131 is a prime.

It is equal to p_12273442 and since 222900163 and 12273442 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (222900103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111450081 + 111450082.

It is an arithmetic number, because the mean of its divisors is an integer number (111450082).

Almost surely, 2^222900163 is an apocalyptic number.

222900163 is a deficient number, since it is larger than the sum of its proper divisors (1).

222900163 is an equidigital number, since it uses as much as digits as its factorization.

222900163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 222900163 is about 14929.8413588357. The cubic root of 222900163 is about 606.3221890443.

Adding to 222900163 its reverse (361009222), we get a palindrome (583909385).

The spelling of 222900163 in words is "two hundred twenty-two million, nine hundred thousand, one hundred sixty-three".