228317463 has 24 divisors (see below), whose sum is σ = 380938896. Its totient is φ = 130233600.

The previous prime is 228317461. The next prime is 228317473. The reversal of 228317463 is 364713822.

It is a happy number.

It is not a de Polignac number, because 228317463 - 2¹ = 228317461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228317461) 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 23 ways as a sum of consecutive naturals, for example, 66148 + ... + 69513.

It is an arithmetic number, because the mean of its divisors is an integer number (15872454).

Almost surely, 2^228317463 is an apocalyptic number.

228317463 is a deficient number, since it is larger than the sum of its proper divisors (152621433).

228317463 is a wasteful number, since it uses less digits than its factorization.

228317463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135695 (or 135692 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 228317463 is about 15110.1774642127. The cubic root of 228317463 is about 611.1948835595.

The spelling of 228317463 in words is "two hundred twenty-eight million, three hundred seventeen thousand, four hundred sixty-three".