228089567 has 2 divisors, whose sum is σ = 228089568. Its totient is φ = 228089566.

The previous prime is 228089549. The next prime is 228089569. The reversal of 228089567 is 765980822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228089567 - 2⁸ = 228089311 is a prime.

It is a super-3 number, since 3×228089567³ (a number of 26 digits) contains 333 as substring.

Together with 228089569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228089569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114044783 + 114044784.

It is an arithmetic number, because the mean of its divisors is an integer number (114044784).

Almost surely, 2^228089567 is an apocalyptic number.

228089567 is a deficient number, since it is larger than the sum of its proper divisors (1).

228089567 is an equidigital number, since it uses as much as digits as its factorization.

228089567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 228089567 is about 15102.6344390639. The cubic root of 228089567 is about 610.9914603128.

The spelling of 228089567 in words is "two hundred twenty-eight million, eighty-nine thousand, five hundred sixty-seven".