226201331 has 2 divisors, whose sum is σ = 226201332. Its totient is φ = 226201330.

The previous prime is 226201321. The next prime is 226201379. The reversal of 226201331 is 133102622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226201331 - 2¹⁴ = 226184947 is a prime.

It is a super-2 number, since 2×226201331² = 102334084292343122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226201301) 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, 113100665 + 113100666.

It is an arithmetic number, because the mean of its divisors is an integer number (113100666).

Almost surely, 2^226201331 is an apocalyptic number.

226201331 is a deficient number, since it is larger than the sum of its proper divisors (1).

226201331 is an equidigital number, since it uses as much as digits as its factorization.

226201331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 226201331 is about 15039.9910571782. The cubic root of 226201331 is about 609.3007583838.

Adding to 226201331 its reverse (133102622), we get a palindrome (359303953).

It can be divided in two parts, 2262013 and 31, that multiplied together give a triangular number (70122403 = T₁₁₈₄₂).

The spelling of 226201331 in words is "two hundred twenty-six million, two hundred one thousand, three hundred thirty-one".