222689963 has 2 divisors, whose sum is σ = 222689964. Its totient is φ = 222689962.

The previous prime is 222689917. The next prime is 222689969. The reversal of 222689963 is 369986222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222689963 - 2⁸ = 222689707 is a prime.

It is a super-3 number, since 3×222689963³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222689969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111344981 + 111344982.

It is an arithmetic number, because the mean of its divisors is an integer number (111344982).

Almost surely, 2^222689963 is an apocalyptic number.

222689963 is a deficient number, since it is larger than the sum of its proper divisors (1).

222689963 is an equidigital number, since it uses as much as digits as its factorization.

222689963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 222689963 is about 14922.8001058783. The cubic root of 222689963 is about 606.1315371611.

The spelling of 222689963 in words is "two hundred twenty-two million, six hundred eighty-nine thousand, nine hundred sixty-three".