228874663 has 2 divisors, whose sum is σ = 228874664. Its totient is φ = 228874662.

The previous prime is 228874661. The next prime is 228874673. The reversal of 228874663 is 366478822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228874663 - 2¹ = 228874661 is a prime.

It is a super-2 number, since 2×228874663² = 104767222726727138, which contains 22 as substring.

Together with 228874661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228874661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114437331 + 114437332.

It is an arithmetic number, because the mean of its divisors is an integer number (114437332).

Almost surely, 2^228874663 is an apocalyptic number.

228874663 is a deficient number, since it is larger than the sum of its proper divisors (1).

228874663 is an equidigital number, since it uses as much as digits as its factorization.

228874663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 228874663 is about 15128.6041325695. The cubic root of 228874663 is about 611.6916788554.

The spelling of 228874663 in words is "two hundred twenty-eight million, eight hundred seventy-four thousand, six hundred sixty-three".