226840687 has 2 divisors, whose sum is σ = 226840688. Its totient is φ = 226840686.

The previous prime is 226840681. The next prime is 226840693. The reversal of 226840687 is 786048622.

226840687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (226840681) and next prime (226840693).

It is a cyclic number.

It is not a de Polignac number, because 226840687 - 2²³ = 218452079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226840681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113420343 + 113420344.

It is an arithmetic number, because the mean of its divisors is an integer number (113420344).

Almost surely, 2^226840687 is an apocalyptic number.

226840687 is a deficient number, since it is larger than the sum of its proper divisors (1).

226840687 is an equidigital number, since it uses as much as digits as its factorization.

226840687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 226840687 is about 15061.2312577691. The cubic root of 226840687 is about 609.8742793851.

The spelling of 226840687 in words is "two hundred twenty-six million, eight hundred forty thousand, six hundred eighty-seven".