226138136 has 24 divisors (see below), whose sum is σ = 493235820. Its totient is φ = 96916176.

The previous prime is 226138111. The next prime is 226138151. The reversal of 226138136 is 631831622.

226138136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226138136² = 102276913107108992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288050 + ... + 288833.

Almost surely, 2^226138136 is an apocalyptic number.

It is an amenable number.

226138136 is an abundant number, since it is smaller than the sum of its proper divisors (267097684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226138136 is a wasteful number, since it uses less digits than its factorization.

226138136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576903 (or 576892 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 226138136 is about 15037.8900115674. The cubic root of 226138136 is about 609.2440119630.

Adding to 226138136 its reverse (631831622), we get a palindrome (857969758).

The spelling of 226138136 in words is "two hundred twenty-six million, one hundred thirty-eight thousand, one hundred thirty-six".