228117567 has 16 divisors (see below), whose sum is σ = 315694080. Its totient is φ = 146344800.

The previous prime is 228117559. The next prime is 228117581. The reversal of 228117567 is 765711822.

It is not a de Polignac number, because 228117567 - 2³ = 228117559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228117167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22842 + ... + 31272.

It is an arithmetic number, because the mean of its divisors is an integer number (19730880).

Almost surely, 2^228117567 is an apocalyptic number.

228117567 is a deficient number, since it is larger than the sum of its proper divisors (87576513).

228117567 is a wasteful number, since it uses less digits than its factorization.

228117567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774.

The product of its digits is 47040, while the sum is 39.

The square root of 228117567 is about 15103.5614012060. The cubic root of 228117567 is about 611.0164608146.

The spelling of 228117567 in words is "two hundred twenty-eight million, one hundred seventeen thousand, five hundred sixty-seven".