226941691 has 2 divisors, whose sum is σ = 226941692. Its totient is φ = 226941690.

The previous prime is 226941613. The next prime is 226941697. The reversal of 226941691 is 196149622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226941691 - 2²⁷ = 92723963 is a prime.

It is a super-2 number, since 2×226941691² = 103005062227878962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226941697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113470845 + 113470846.

It is an arithmetic number, because the mean of its divisors is an integer number (113470846).

Almost surely, 2^226941691 is an apocalyptic number.

226941691 is a deficient number, since it is larger than the sum of its proper divisors (1).

226941691 is an equidigital number, since it uses as much as digits as its factorization.

226941691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 226941691 is about 15064.5839969114. The cubic root of 226941691 is about 609.9647843148.

The spelling of 226941691 in words is "two hundred twenty-six million, nine hundred forty-one thousand, six hundred ninety-one".