228540767 has 16 divisors (see below), whose sum is σ = 281981952. Its totient is φ = 180372960.

The previous prime is 228540761. The next prime is 228540803. The reversal of 228540767 is 767045822.

It is a cyclic number.

It is not a de Polignac number, because 228540767 - 2¹⁸ = 228278623 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228540761) 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 15 ways as a sum of consecutive naturals, for example, 36308 + ... + 42134.

It is an arithmetic number, because the mean of its divisors is an integer number (17623872).

Almost surely, 2^228540767 is an apocalyptic number.

228540767 is a deficient number, since it is larger than the sum of its proper divisors (53441185).

228540767 is a wasteful number, since it uses less digits than its factorization.

228540767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 228540767 is about 15117.5648501999. The cubic root of 228540767 is about 611.3940766619.

The spelling of 228540767 in words is "two hundred twenty-eight million, five hundred forty thousand, seven hundred sixty-seven".