226428224 has 28 divisors (see below), whose sum is σ = 490167168. Its totient is φ = 102921600.

The previous prime is 226428221. The next prime is 226428229. The reversal of 226428224 is 422824622.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226428221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160112 + ... + 161519.

Almost surely, 2^226428224 is an apocalyptic number.

It is an amenable number.

226428224 is an abundant number, since it is smaller than the sum of its proper divisors (263738944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226428224 is a wasteful number, since it uses less digits than its factorization.

226428224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321654 (or 321644 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 226428224 is about 15047.5321564700. The cubic root of 226428224 is about 609.5044115913.

It can be divided in two parts, 22 and 6428224, that added together give a palindrome (6428246).

The spelling of 226428224 in words is "two hundred twenty-six million, four hundred twenty-eight thousand, two hundred twenty-four".