226228643 has 2 divisors, whose sum is σ = 226228644. Its totient is φ = 226228642.

The previous prime is 226228631. The next prime is 226228657. The reversal of 226228643 is 346822622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226228643 - 2⁴ = 226228627 is a prime.

It is not a weakly prime, because it can be changed into another prime (226228663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113114321 + 113114322.

It is an arithmetic number, because the mean of its divisors is an integer number (113114322).

Almost surely, 2^226228643 is an apocalyptic number.

226228643 is a deficient number, since it is larger than the sum of its proper divisors (1).

226228643 is an equidigital number, since it uses as much as digits as its factorization.

226228643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 226228643 is about 15040.8990090353. The cubic root of 226228643 is about 609.3252801266.

The spelling of 226228643 in words is "two hundred twenty-six million, two hundred twenty-eight thousand, six hundred forty-three".