226540233 has 40 divisors (see below), whose sum is σ = 350091720. Its totient is φ = 145877760.

The previous prime is 226540231. The next prime is 226540261. The reversal of 226540233 is 332045622.

226540233 is a `hidden beast` number, since 2 + 2 + 654 + 0 + 2 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42341049 + 184199184 = 6507^2 + 13572^2 .

It is not a de Polignac number, because 226540233 - 2¹ = 226540231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 226540197 and 226540206.

It is not an unprimeable number, because it can be changed into a prime (226540231) 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 39 ways as a sum of consecutive naturals, for example, 806053 + ... + 806333.

It is an arithmetic number, because the mean of its divisors is an integer number (8752293).

Almost surely, 2^226540233 is an apocalyptic number.

It is an amenable number.

226540233 is a deficient number, since it is larger than the sum of its proper divisors (123551487).

226540233 is a wasteful number, since it uses less digits than its factorization.

226540233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 226540233 is about 15051.2535358355. The cubic root of 226540233 is about 609.6048977767.

Adding to 226540233 its reverse (332045622), we get a palindrome (558585855).

The spelling of 226540233 in words is "two hundred twenty-six million, five hundred forty thousand, two hundred thirty-three".