226405051643 has 2 divisors, whose sum is σ = 226405051644. Its totient is φ = 226405051642.

The previous prime is 226405051627. The next prime is 226405051657. The reversal of 226405051643 is 346150504622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226405051643 - 2⁴ = 226405051627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226405051597 and 226405051606.

It is not a weakly prime, because it can be changed into another prime (226405051693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113202525821 + 113202525822.

It is an arithmetic number, because the mean of its divisors is an integer number (113202525822).

Almost surely, 2^226405051643 is an apocalyptic number.

226405051643 is a deficient number, since it is larger than the sum of its proper divisors (1).

226405051643 is an equidigital number, since it uses as much as digits as its factorization.

226405051643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 226405051643 in words is "two hundred twenty-six billion, four hundred five million, fifty-one thousand, six hundred forty-three".