226655791 has 2 divisors, whose sum is σ = 226655792. Its totient is φ = 226655790.

The previous prime is 226655783. The next prime is 226655827. The reversal of 226655791 is 197556622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226655791 - 2³ = 226655783 is a prime.

It is equal to p_12468859 and since 226655791 and 12468859 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226655701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113327895 + 113327896.

It is an arithmetic number, because the mean of its divisors is an integer number (113327896).

Almost surely, 2^226655791 is an apocalyptic number.

226655791 is a deficient number, since it is larger than the sum of its proper divisors (1).

226655791 is an equidigital number, since it uses as much as digits as its factorization.

226655791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 226655791 is about 15055.0918628881. The cubic root of 226655791 is about 609.7085331550.

The spelling of 226655791 in words is "two hundred twenty-six million, six hundred fifty-five thousand, seven hundred ninety-one".