2226176989 has 2 divisors, whose sum is σ = 2226176990. Its totient is φ = 2226176988.

The previous prime is 2226176987. The next prime is 2226176999. The reversal of 2226176989 is 9896716222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1781684100 + 444492889 = 42210^2 + 21083^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226176989 - 2¹ = 2226176987 is a prime.

It is a super-2 number, since 2×2226176989² = 9911727972706212242, which contains 22 as substring.

Together with 2226176987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226176987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113088494 + 1113088495.

It is an arithmetic number, because the mean of its divisors is an integer number (1113088495).

Almost surely, 2^2226176989 is an apocalyptic number.

It is an amenable number.

2226176989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226176989 is an equidigital number, since it uses as much as digits as its factorization.

2226176989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 2226176989 is about 47182.3800692589. The cubic root of 2226176989 is about 1305.7295410482.

The spelling of 2226176989 in words is "two billion, two hundred twenty-six million, one hundred seventy-six thousand, nine hundred eighty-nine".