226351639 has 2 divisors, whose sum is σ = 226351640. Its totient is φ = 226351638.

The previous prime is 226351637. The next prime is 226351673. The reversal of 226351639 is 936153622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226351639 - 2¹ = 226351637 is a prime.

Together with 226351637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 226351598 and 226351607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226351637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113175819 + 113175820.

It is an arithmetic number, because the mean of its divisors is an integer number (113175820).

Almost surely, 2^226351639 is an apocalyptic number.

226351639 is a deficient number, since it is larger than the sum of its proper divisors (1).

226351639 is an equidigital number, since it uses as much as digits as its factorization.

226351639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 226351639 is about 15044.9871718124. The cubic root of 226351639 is about 609.4356861201.

The spelling of 226351639 in words is "two hundred twenty-six million, three hundred fifty-one thousand, six hundred thirty-nine".