226909193 has 4 divisors (see below), whose sum is σ = 259324800. Its totient is φ = 194493588.

The previous prime is 226909187. The next prime is 226909213. The reversal of 226909193 is 391909622.

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 226909193 - 2⁸ = 226908937 is a prime.

It is a super-2 number, since 2×226909193² = 102975563735822498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226909193.

It is not an unprimeable number, because it can be changed into a prime (228909193) 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, 16207793 + ... + 16207806.

It is an arithmetic number, because the mean of its divisors is an integer number (64831200).

Almost surely, 2^226909193 is an apocalyptic number.

It is an amenable number.

226909193 is a deficient number, since it is larger than the sum of its proper divisors (32415607).

226909193 is an equidigital number, since it uses as much as digits as its factorization.

226909193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32415606.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 226909193 is about 15063.5053357444. The cubic root of 226909193 is about 609.9356673174.

The spelling of 226909193 in words is "two hundred twenty-six million, nine hundred nine thousand, one hundred ninety-three".