222070697 has 2 divisors, whose sum is σ = 222070698. Its totient is φ = 222070696.

The previous prime is 222070687. The next prime is 222070699. The reversal of 222070697 is 796070222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149548441 + 72522256 = 12229^2 + 8516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222070697 is a prime.

Together with 222070699, 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 (222070699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111035348 + 111035349.

It is an arithmetic number, because the mean of its divisors is an integer number (111035349).

Almost surely, 2^222070697 is an apocalyptic number.

It is an amenable number.

222070697 is a deficient number, since it is larger than the sum of its proper divisors (1).

222070697 is an equidigital number, since it uses as much as digits as its factorization.

222070697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 222070697 is about 14902.0366728847. The cubic root of 222070697 is about 605.5691631740.

The spelling of 222070697 in words is "two hundred twenty-two million, seventy thousand, six hundred ninety-seven".