226895221 has 4 divisors (see below), whose sum is σ = 259308832. Its totient is φ = 194481612.

The previous prime is 226895213. The next prime is 226895237. The reversal of 226895221 is 122598622.

226895221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226895221 - 2³ = 226895213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226895281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16206795 + ... + 16206808.

It is an arithmetic number, because the mean of its divisors is an integer number (64827208).

Almost surely, 2^226895221 is an apocalyptic number.

It is an amenable number.

226895221 is a deficient number, since it is larger than the sum of its proper divisors (32413611).

226895221 is an equidigital number, since it uses as much as digits as its factorization.

226895221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32413610.

The product of its digits is 34560, while the sum is 37.

The square root of 226895221 is about 15063.0415587291. The cubic root of 226895221 is about 609.9231480714.

The spelling of 226895221 in words is "two hundred twenty-six million, eight hundred ninety-five thousand, two hundred twenty-one".