222118297 has 2 divisors, whose sum is σ = 222118298. Its totient is φ = 222118296.

The previous prime is 222118271. The next prime is 222118327. The reversal of 222118297 is 792811222.

222118297 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., 145660761 + 76457536 = 12069^2 + 8744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222118297 is a prime.

It is not a weakly prime, because it can be changed into another prime (222118207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111059148 + 111059149.

It is an arithmetic number, because the mean of its divisors is an integer number (111059149).

Almost surely, 2^222118297 is an apocalyptic number.

It is an amenable number.

222118297 is a deficient number, since it is larger than the sum of its proper divisors (1).

222118297 is an equidigital number, since it uses as much as digits as its factorization.

222118297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 222118297 is about 14903.6336844409. The cubic root of 222118297 is about 605.6124272236.

The spelling of 222118297 in words is "two hundred twenty-two million, one hundred eighteen thousand, two hundred ninety-seven".