226748191 has 8 divisors (see below), whose sum is σ = 237297024. Its totient is φ = 216256920.

The previous prime is 226748189. The next prime is 226748209. The reversal of 226748191 is 191847622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226748191 - 2¹ = 226748189 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 (226748111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225 + ... + 22186.

It is an arithmetic number, because the mean of its divisors is an integer number (29662128).

Almost surely, 2^226748191 is an apocalyptic number.

226748191 is a deficient number, since it is larger than the sum of its proper divisors (10548833).

226748191 is a wasteful number, since it uses less digits than its factorization.

226748191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28781.

The product of its digits is 48384, while the sum is 40.

The square root of 226748191 is about 15058.1602793967. The cubic root of 226748191 is about 609.7913745042.

The spelling of 226748191 in words is "two hundred twenty-six million, seven hundred forty-eight thousand, one hundred ninety-one".