228475567 has 2 divisors, whose sum is σ = 228475568. Its totient is φ = 228475566.

The previous prime is 228475519. The next prime is 228475571. The reversal of 228475567 is 765574822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228475567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228475967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114237783 + 114237784.

It is an arithmetic number, because the mean of its divisors is an integer number (114237784).

Almost surely, 2^228475567 is an apocalyptic number.

228475567 is a deficient number, since it is larger than the sum of its proper divisors (1).

228475567 is an equidigital number, since it uses as much as digits as its factorization.

228475567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 46.

The square root of 228475567 is about 15115.4082644168. The cubic root of 228475567 is about 611.3359299459.

It can be divided in two parts, 2284755 and 67, that added together give a palindrome (2284822).

The spelling of 228475567 in words is "two hundred twenty-eight million, four hundred seventy-five thousand, five hundred sixty-seven".