226136387 has 2 divisors, whose sum is σ = 226136388. Its totient is φ = 226136386.

The previous prime is 226136381. The next prime is 226136401. The reversal of 226136387 is 783631622.

226136387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226136387 - 2⁴ = 226136371 is a prime.

It is a super-2 number, since 2×226136387² = 102275331050827538, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226136387.

It is not a weakly prime, because it can be changed into another prime (226136381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113068193 + 113068194.

It is an arithmetic number, because the mean of its divisors is an integer number (113068194).

Almost surely, 2^226136387 is an apocalyptic number.

226136387 is a deficient number, since it is larger than the sum of its proper divisors (1).

226136387 is an equidigital number, since it uses as much as digits as its factorization.

226136387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 226136387 is about 15037.8318583498. The cubic root of 226136387 is about 609.2424412851.

The spelling of 226136387 in words is "two hundred twenty-six million, one hundred thirty-six thousand, three hundred eighty-seven".