222838969 has 2 divisors, whose sum is σ = 222838970. Its totient is φ = 222838968.

The previous prime is 222838939. The next prime is 222839003. The reversal of 222838969 is 969838222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138933369 + 83905600 = 11787^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 222838969 - 2⁵ = 222838937 is a prime.

It is a super-2 number, since 2×222838969² = 99314412209965922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222838909) 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, 111419484 + 111419485.

It is an arithmetic number, because the mean of its divisors is an integer number (111419485).

Almost surely, 2^222838969 is an apocalyptic number.

It is an amenable number.

222838969 is a deficient number, since it is larger than the sum of its proper divisors (1).

222838969 is an equidigital number, since it uses as much as digits as its factorization.

222838969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 222838969 is about 14927.7918326858. The cubic root of 222838969 is about 606.2666983178.

The spelling of 222838969 in words is "two hundred twenty-two million, eight hundred thirty-eight thousand, nine hundred sixty-nine".