2226991297 has 2 divisors, whose sum is σ = 2226991298. Its totient is φ = 2226991296.

The previous prime is 2226991243. The next prime is 2226991303. The reversal of 2226991297 is 7921996222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005606656 + 221384641 = 44784^2 + 14879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226991297 - 2¹¹ = 2226989249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2226991297.

It is not a weakly prime, because it can be changed into another prime (2226991397) 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, 1113495648 + 1113495649.

It is an arithmetic number, because the mean of its divisors is an integer number (1113495649).

Almost surely, 2^2226991297 is an apocalyptic number.

It is an amenable number.

2226991297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226991297 is an equidigital number, since it uses as much as digits as its factorization.

2226991297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 2226991297 is about 47191.0086457156. The cubic root of 2226991297 is about 1305.8887282107. Note that the first 3 decimals are identical.

The spelling of 2226991297 in words is "two billion, two hundred twenty-six million, nine hundred ninety-one thousand, two hundred ninety-seven".