226161238 has 4 divisors (see below), whose sum is σ = 339241860. Its totient is φ = 113080618.

The previous prime is 226161211. The next prime is 226161241. The reversal of 226161238 is 832161622.

226161238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832161622 = 2 ⋅416080811.

It is a super-2 number, since 2×226161238² = 102297811147385288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56540308 + ... + 56540311.

It is an arithmetic number, because the mean of its divisors is an integer number (84810465).

Almost surely, 2^226161238 is an apocalyptic number.

226161238 is a deficient number, since it is larger than the sum of its proper divisors (113080622).

226161238 is a wasteful number, since it uses less digits than its factorization.

226161238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113080621.

The product of its digits is 6912, while the sum is 31.

The square root of 226161238 is about 15038.6581183296. The cubic root of 226161238 is about 609.2647578017.

The spelling of 226161238 in words is "two hundred twenty-six million, one hundred sixty-one thousand, two hundred thirty-eight".