228743863 has 2 divisors, whose sum is σ = 228743864. Its totient is φ = 228743862.

The previous prime is 228743833. The next prime is 228743873. The reversal of 228743863 is 368347822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228743863 - 2¹³ = 228735671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228743833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114371931 + 114371932.

It is an arithmetic number, because the mean of its divisors is an integer number (114371932).

Almost surely, 2^228743863 is an apocalyptic number.

228743863 is a deficient number, since it is larger than the sum of its proper divisors (1).

228743863 is an equidigital number, since it uses as much as digits as its factorization.

228743863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 228743863 is about 15124.2805779316. The cubic root of 228743863 is about 611.5751310515.

The spelling of 228743863 in words is "two hundred twenty-eight million, seven hundred forty-three thousand, eight hundred sixty-three".