226677491 has 2 divisors, whose sum is σ = 226677492. Its totient is φ = 226677490.

The previous prime is 226677421. The next prime is 226677497. The reversal of 226677491 is 194776622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226677491 is a prime.

It is not a weakly prime, because it can be changed into another prime (226677497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113338745 + 113338746.

It is an arithmetic number, because the mean of its divisors is an integer number (113338746).

Almost surely, 2^226677491 is an apocalyptic number.

226677491 is a deficient number, since it is larger than the sum of its proper divisors (1).

226677491 is an equidigital number, since it uses as much as digits as its factorization.

226677491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 226677491 is about 15055.8125320422. The cubic root of 226677491 is about 609.7279903429.

The spelling of 226677491 in words is "two hundred twenty-six million, six hundred seventy-seven thousand, four hundred ninety-one".