226463891 has 2 divisors, whose sum is σ = 226463892. Its totient is φ = 226463890.

The previous prime is 226463879. The next prime is 226463977. The reversal of 226463891 is 198364622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226463891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226463191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113231945 + 113231946.

It is an arithmetic number, because the mean of its divisors is an integer number (113231946).

Almost surely, 2^226463891 is an apocalyptic number.

226463891 is a deficient number, since it is larger than the sum of its proper divisors (1).

226463891 is an equidigital number, since it uses as much as digits as its factorization.

226463891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 226463891 is about 15048.7172543044. The cubic root of 226463891 is about 609.5364129795.

The spelling of 226463891 in words is "two hundred twenty-six million, four hundred sixty-three thousand, eight hundred ninety-one".