222003689 has 2 divisors, whose sum is σ = 222003690. Its totient is φ = 222003688.

The previous prime is 222003611. The next prime is 222003721. The reversal of 222003689 is 986300222.

It is an a-pointer prime, because the next prime (222003721) can be obtained adding 222003689 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188595289 + 33408400 = 13733^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 222003689 - 2²⁴ = 205226473 is a prime.

It is not a weakly prime, because it can be changed into another prime (222033689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001844 + 111001845.

It is an arithmetic number, because the mean of its divisors is an integer number (111001845).

Almost surely, 2^222003689 is an apocalyptic number.

It is an amenable number.

222003689 is a deficient number, since it is larger than the sum of its proper divisors (1).

222003689 is an equidigital number, since it uses as much as digits as its factorization.

222003689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 222003689 is about 14899.7882199715. The cubic root of 222003689 is about 605.5082485478.

The spelling of 222003689 in words is "two hundred twenty-two million, three thousand, six hundred eighty-nine".