226388433 has 4 divisors (see below), whose sum is σ = 301851248. Its totient is φ = 150925620.

The previous prime is 226388423. The next prime is 226388447. The reversal of 226388433 is 334883622.

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 not a de Polignac number, because 226388433 - 2⁸ = 226388177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226388391 and 226388400.

It is not an unprimeable number, because it can be changed into a prime (226388423) 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 3 ways as a sum of consecutive naturals, for example, 37731403 + ... + 37731408.

It is an arithmetic number, because the mean of its divisors is an integer number (75462812).

Almost surely, 2^226388433 is an apocalyptic number.

It is an amenable number.

226388433 is a deficient number, since it is larger than the sum of its proper divisors (75462815).

226388433 is an equidigital number, since it uses as much as digits as its factorization.

226388433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75462814.

The product of its digits is 165888, while the sum is 39.

The square root of 226388433 is about 15046.2099214387. The cubic root of 226388433 is about 609.4687060736.

The spelling of 226388433 in words is "two hundred twenty-six million, three hundred eighty-eight thousand, four hundred thirty-three".