222214457 has 2 divisors, whose sum is σ = 222214458. Its totient is φ = 222214456.

The previous prime is 222214441. The next prime is 222214459. The reversal of 222214457 is 754412222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221980201 + 234256 = 14899^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 222214457 - 2⁴ = 222214441 is a prime.

Together with 222214459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222214459) 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, 111107228 + 111107229.

It is an arithmetic number, because the mean of its divisors is an integer number (111107229).

Almost surely, 2^222214457 is an apocalyptic number.

It is an amenable number.

222214457 is a deficient number, since it is larger than the sum of its proper divisors (1).

222214457 is an equidigital number, since it uses as much as digits as its factorization.

222214457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 29.

The square root of 222214457 is about 14906.8593942520. The cubic root of 222214457 is about 605.6998090226.

Adding to 222214457 its reverse (754412222), we get a palindrome (976626679).

The spelling of 222214457 in words is "two hundred twenty-two million, two hundred fourteen thousand, four hundred fifty-seven".