226432997669 has 2 divisors, whose sum is σ = 226432997670. Its totient is φ = 226432997668.

The previous prime is 226432997633. The next prime is 226432997671. The reversal of 226432997669 is 966799234622.

226432997669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197347400644 + 29085597025 = 444238^2 + 170545^2 .

It is a cyclic number.

It is not a de Polignac number, because 226432997669 - 2¹⁶ = 226432932133 is a prime.

It is a super-2 number, since 2×226432997669² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 226432997671, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226432997069) 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, 113216498834 + 113216498835.

It is an arithmetic number, because the mean of its divisors is an integer number (113216498835).

Almost surely, 2^226432997669 is an apocalyptic number.

It is an amenable number.

226432997669 is a deficient number, since it is larger than the sum of its proper divisors (1).

226432997669 is an equidigital number, since it uses as much as digits as its factorization.

226432997669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 65.

The spelling of 226432997669 in words is "two hundred twenty-six billion, four hundred thirty-two million, nine hundred ninety-seven thousand, six hundred sixty-nine".