226327691 has 2 divisors, whose sum is σ = 226327692. Its totient is φ = 226327690.

The previous prime is 226327669. The next prime is 226327693. The reversal of 226327691 is 196723622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226327691 - 2¹⁴ = 226311307 is a prime.

It is a Sophie Germain prime.

Together with 226327693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226327693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113163845 + 113163846.

It is an arithmetic number, because the mean of its divisors is an integer number (113163846).

Almost surely, 2^226327691 is an apocalyptic number.

226327691 is a deficient number, since it is larger than the sum of its proper divisors (1).

226327691 is an equidigital number, since it uses as much as digits as its factorization.

226327691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 226327691 is about 15044.1912710521. The cubic root of 226327691 is about 609.4141926000.

The spelling of 226327691 in words is "two hundred twenty-six million, three hundred twenty-seven thousand, six hundred ninety-one".