221114297 has 2 divisors, whose sum is σ = 221114298. Its totient is φ = 221114296.

The previous prime is 221114287. The next prime is 221114303. The reversal of 221114297 is 792411122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217385536 + 3728761 = 14744^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 221114297 - 2⁴ = 221114281 is a prime.

It is not a weakly prime, because it can be changed into another prime (221114237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110557148 + 110557149.

It is an arithmetic number, because the mean of its divisors is an integer number (110557149).

Almost surely, 2^221114297 is an apocalyptic number.

It is an amenable number.

221114297 is a deficient number, since it is larger than the sum of its proper divisors (1).

221114297 is an equidigital number, since it uses as much as digits as its factorization.

221114297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 221114297 is about 14869.9124745238. The cubic root of 221114297 is about 604.6985698757.

The spelling of 221114297 in words is "two hundred twenty-one million, one hundred fourteen thousand, two hundred ninety-seven".