226400089 has 2 divisors, whose sum is σ = 226400090. Its totient is φ = 226400088.

The previous prime is 226400021. The next prime is 226400093. The reversal of 226400089 is 980004622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179024400 + 47375689 = 13380^2 + 6883^2 .

It is a cyclic number.

It is not a de Polignac number, because 226400089 - 2⁷ = 226399961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226400089.

It is not a weakly prime, because it can be changed into another prime (226400389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113200044 + 113200045.

It is an arithmetic number, because the mean of its divisors is an integer number (113200045).

Almost surely, 2^226400089 is an apocalyptic number.

It is an amenable number.

226400089 is a deficient number, since it is larger than the sum of its proper divisors (1).

226400089 is an equidigital number, since it uses as much as digits as its factorization.

226400089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 226400089 is about 15046.5972565228. The cubic root of 226400089 is about 609.4791657442.

The spelling of 226400089 in words is "two hundred twenty-six million, four hundred thousand, eighty-nine".