226240421639 has 2 divisors, whose sum is σ = 226240421640. Its totient is φ = 226240421638.

The previous prime is 226240421623. The next prime is 226240421681. The reversal of 226240421639 is 936124042622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226240421639 - 2⁴ = 226240421623 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 226240421596 and 226240421605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226240421339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113120210819 + 113120210820.

It is an arithmetic number, because the mean of its divisors is an integer number (113120210820).

Almost surely, 2^226240421639 is an apocalyptic number.

226240421639 is a deficient number, since it is larger than the sum of its proper divisors (1).

226240421639 is an equidigital number, since it uses as much as digits as its factorization.

226240421639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 226240421639 in words is "two hundred twenty-six billion, two hundred forty million, four hundred twenty-one thousand, six hundred thirty-nine".