226521199 has 2 divisors, whose sum is σ = 226521200. Its totient is φ = 226521198.

The previous prime is 226521179. The next prime is 226521223. The reversal of 226521199 is 991125622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226521199 - 2⁵ = 226521167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226521179) 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, 113260599 + 113260600.

It is an arithmetic number, because the mean of its divisors is an integer number (113260600).

Almost surely, 2^226521199 is an apocalyptic number.

226521199 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521199 is an equidigital number, since it uses as much as digits as its factorization.

226521199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 226521199 is about 15050.6212164150. The cubic root of 226521199 is about 609.5878242169.

The spelling of 226521199 in words is "two hundred twenty-six million, five hundred twenty-one thousand, one hundred ninety-nine".