2221322297 has 2 divisors, whose sum is σ = 2221322298. Its totient is φ = 2221322296.

The previous prime is 2221322293. The next prime is 2221322321. The reversal of 2221322297 is 7922231222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2169323776 + 51998521 = 46576^2 + 7211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221322297 - 2² = 2221322293 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221322291) 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, 1110661148 + 1110661149.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661149).

Almost surely, 2^2221322297 is an apocalyptic number.

It is an amenable number.

2221322297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221322297 is an equidigital number, since it uses as much as digits as its factorization.

2221322297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 2221322297 is about 47130.9059641336. The cubic root of 2221322297 is about 1304.7797021988.

The spelling of 2221322297 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred ninety-seven".