226189013 has 2 divisors, whose sum is σ = 226189014. Its totient is φ = 226189012.

The previous prime is 226188971. The next prime is 226189021. The reversal of 226189013 is 310981622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225660484 + 528529 = 15022^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 226189013 - 2¹⁴ = 226172629 is a prime.

It is a super-2 number, since 2×226189013² = 102322939203828338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226389013) 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, 113094506 + 113094507.

It is an arithmetic number, because the mean of its divisors is an integer number (113094507).

Almost surely, 2^226189013 is an apocalyptic number.

It is an amenable number.

226189013 is a deficient number, since it is larger than the sum of its proper divisors (1).

226189013 is an equidigital number, since it uses as much as digits as its factorization.

226189013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 226189013 is about 15039.5815433808. The cubic root of 226189013 is about 609.2896981733.

The spelling of 226189013 in words is "two hundred twenty-six million, one hundred eighty-nine thousand, thirteen".