226194668039 has 2 divisors, whose sum is σ = 226194668040. Its totient is φ = 226194668038.

The previous prime is 226194668003. The next prime is 226194668083. The reversal of 226194668039 is 930866491622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226194668039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226194668339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113097334019 + 113097334020.

It is an arithmetic number, because the mean of its divisors is an integer number (113097334020).

Almost surely, 2^226194668039 is an apocalyptic number.

226194668039 is a deficient number, since it is larger than the sum of its proper divisors (1).

226194668039 is an equidigital number, since it uses as much as digits as its factorization.

226194668039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 226194668039 in words is "two hundred twenty-six billion, one hundred ninety-four million, six hundred sixty-eight thousand, thirty-nine".