226131133 has 2 divisors, whose sum is σ = 226131134. Its totient is φ = 226131132.

The previous prime is 226131131. The next prime is 226131137. The reversal of 226131133 is 331131622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222218649 + 3912484 = 14907^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 226131133 - 2¹ = 226131131 is a prime.

It is a super-2 number, since 2×226131133² = 102270578623727378, which contains 22 as substring.

Together with 226131131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113065566 + 113065567.

It is an arithmetic number, because the mean of its divisors is an integer number (113065567).

Almost surely, 2^226131133 is an apocalyptic number.

It is an amenable number.

226131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

226131133 is an equidigital number, since it uses as much as digits as its factorization.

226131133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 226131133 is about 15037.6571645985. The cubic root of 226131133 is about 609.2377229163.

Adding to 226131133 its reverse (331131622), we get a palindrome (557262755).

The spelling of 226131133 in words is "two hundred twenty-six million, one hundred thirty-one thousand, one hundred thirty-three".