228563927 has 2 divisors, whose sum is σ = 228563928. Its totient is φ = 228563926.

The previous prime is 228563921. The next prime is 228563941. The reversal of 228563927 is 729365822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228563927 - 2¹⁰ = 228562903 is a prime.

It is a super-2 number, since 2×228563927² = 104482937451322658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228563921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114281963 + 114281964.

It is an arithmetic number, because the mean of its divisors is an integer number (114281964).

Almost surely, 2^228563927 is an apocalyptic number.

228563927 is a deficient number, since it is larger than the sum of its proper divisors (1).

228563927 is an equidigital number, since it uses as much as digits as its factorization.

228563927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 228563927 is about 15118.3308271780. The cubic root of 228563927 is about 611.4147285697.

The spelling of 228563927 in words is "two hundred twenty-eight million, five hundred sixty-three thousand, nine hundred twenty-seven".