2226406997 has 2 divisors, whose sum is σ = 2226406998. Its totient is φ = 2226406996.

The previous prime is 2226406981. The next prime is 2226406999. The reversal of 2226406997 is 7996046222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2182197796 + 44209201 = 46714^2 + 6649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226406997 - 2⁴ = 2226406981 is a prime.

Together with 2226406999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226406999) 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, 1113203498 + 1113203499.

It is an arithmetic number, because the mean of its divisors is an integer number (1113203499).

Almost surely, 2^2226406997 is an apocalyptic number.

It is an amenable number.

2226406997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226406997 is an equidigital number, since it uses as much as digits as its factorization.

2226406997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2226406997 is about 47184.8174416305. The cubic root of 2226406997 is about 1305.7745087063.

The spelling of 2226406997 in words is "two billion, two hundred twenty-six million, four hundred six thousand, nine hundred ninety-seven".