226402231 has 4 divisors (see below), whose sum is σ = 246984264. Its totient is φ = 205820200.

The previous prime is 226402219. The next prime is 226402247. The reversal of 226402231 is 132204622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226402231 - 2⁷ = 226402103 is a prime.

It is a super-2 number, since 2×226402231² = 102515940403554722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226402201) 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, 10291000 + ... + 10291021.

It is an arithmetic number, because the mean of its divisors is an integer number (61746066).

Almost surely, 2^226402231 is an apocalyptic number.

226402231 is a deficient number, since it is larger than the sum of its proper divisors (20582033).

226402231 is a wasteful number, since it uses less digits than its factorization.

226402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582032.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 226402231 is about 15046.6684352384. The cubic root of 226402231 is about 609.4810878581.

Adding to 226402231 its reverse (132204622), we get a palindrome (358606853).

The spelling of 226402231 in words is "two hundred twenty-six million, four hundred two thousand, two hundred thirty-one".