226538047 has 4 divisors (see below), whose sum is σ = 227419776. Its totient is φ = 225656320.

The previous prime is 226538041. The next prime is 226538077. The reversal of 226538047 is 740835622.

226538047 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226538047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226537997 and 226538015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226538041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440479 + ... + 440992.

It is an arithmetic number, because the mean of its divisors is an integer number (56854944).

Almost surely, 2^226538047 is an apocalyptic number.

226538047 is a deficient number, since it is larger than the sum of its proper divisors (881729).

226538047 is an equidigital number, since it uses as much as digits as its factorization.

226538047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881728.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 226538047 is about 15051.1809171241. The cubic root of 226538047 is about 609.6029369762.

The spelling of 226538047 in words is "two hundred twenty-six million, five hundred thirty-eight thousand, forty-seven".