2272226581589 has 2 divisors, whose sum is σ = 2272226581590. Its totient is φ = 2272226581588.

The previous prime is 2272226581577. The next prime is 2272226581591. The reversal of 2272226581589 is 9851856222722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1521201556900 + 751025024689 = 1233370^2 + 866617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272226581589 is a prime.

It is a Sophie Germain prime.

Together with 2272226581591, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272226581529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136113290794 + 1136113290795.

It is an arithmetic number, because the mean of its divisors is an integer number (1136113290795).

Almost surely, 2^{2272226581589} is an apocalyptic number.

It is an amenable number.

2272226581589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272226581589 is an equidigital number, since it uses as much as digits as its factorization.

2272226581589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 59.

The spelling of 2272226581589 in words is "two trillion, two hundred seventy-two billion, two hundred twenty-six million, five hundred eighty-one thousand, five hundred eighty-nine".