228826547 has 4 divisors (see below), whose sum is σ = 229174440. Its totient is φ = 228478656.

The previous prime is 228826541. The next prime is 228826561. The reversal of 228826547 is 745628822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745628822 = 2 ⋅372814411.

It is a cyclic number.

It is not a de Polignac number, because 228826547 - 2⁶ = 228826483 is a prime.

It is a super-2 number, since 2×228826547² = 104723177223886418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228826498 and 228826507.

It is not an unprimeable number, because it can be changed into a prime (228826541) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 172958 + ... + 174275.

It is an arithmetic number, because the mean of its divisors is an integer number (57293610).

Almost surely, 2^228826547 is an apocalyptic number.

228826547 is a deficient number, since it is larger than the sum of its proper divisors (347893).

228826547 is an equidigital number, since it uses as much as digits as its factorization.

228826547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347892.

The product of its digits is 430080, while the sum is 44.

The square root of 228826547 is about 15127.0138163486. The cubic root of 228826547 is about 611.6488108227.

The spelling of 228826547 in words is "two hundred twenty-eight million, eight hundred twenty-six thousand, five hundred forty-seven".