222069989 has 2 divisors, whose sum is σ = 222069990. Its totient is φ = 222069988.

The previous prime is 222069983. The next prime is 222070003. The reversal of 222069989 is 989960222.

222069989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117007489 + 105062500 = 10817^2 + 10250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222069989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222069983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111034994 + 111034995.

It is an arithmetic number, because the mean of its divisors is an integer number (111034995).

Almost surely, 2^222069989 is an apocalyptic number.

It is an amenable number.

222069989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222069989 is an equidigital number, since it uses as much as digits as its factorization.

222069989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 222069989 is about 14902.0129177236. The cubic root of 222069989 is about 605.5685196201.

The spelling of 222069989 in words is "two hundred twenty-two million, sixty-nine thousand, nine hundred eighty-nine".