226431235 has 4 divisors (see below), whose sum is σ = 271717488. Its totient is φ = 181144984.

The previous prime is 226431199. The next prime is 226431239. The reversal of 226431235 is 532134622.

226431235 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.

It is a cyclic number.

It is not a de Polignac number, because 226431235 - 2¹⁷ = 226300163 is a prime.

It is a super-2 number, since 2×226431235² = 102542208367250450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226431239) 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, 22643119 + ... + 22643128.

It is an arithmetic number, because the mean of its divisors is an integer number (67929372).

Almost surely, 2^226431235 is an apocalyptic number.

226431235 is a deficient number, since it is larger than the sum of its proper divisors (45286253).

226431235 is an equidigital number, since it uses as much as digits as its factorization.

226431235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45286252.

The product of its digits is 8640, while the sum is 28.

The square root of 226431235 is about 15047.6322057658. The cubic root of 226431235 is about 609.5071132710.

Adding to 226431235 its reverse (532134622), we get a palindrome (758565857).

The spelling of 226431235 in words is "two hundred twenty-six million, four hundred thirty-one thousand, two hundred thirty-five".