222342097 has 2 divisors, whose sum is σ = 222342098. Its totient is φ = 222342096.

The previous prime is 222342079. The next prime is 222342151. The reversal of 222342097 is 790243222.

Together with previous prime (222342079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207100881 + 15241216 = 14391^2 + 3904^2 .

It is a cyclic number.

It is not a de Polignac number, because 222342097 - 2²³ = 213953489 is a prime.

It is not a weakly prime, because it can be changed into another prime (222342017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111171048 + 111171049.

It is an arithmetic number, because the mean of its divisors is an integer number (111171049).

Almost surely, 2^222342097 is an apocalyptic number.

It is an amenable number.

222342097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222342097 is an equidigital number, since it uses as much as digits as its factorization.

222342097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 222342097 is about 14911.1400301922. The cubic root of 222342097 is about 605.8157581629.

The spelling of 222342097 in words is "two hundred twenty-two million, three hundred forty-two thousand, ninety-seven".