228203863 has 2 divisors, whose sum is σ = 228203864. Its totient is φ = 228203862.

The previous prime is 228203831. The next prime is 228203873. The reversal of 228203863 is 368302822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228203863 - 2⁵ = 228203831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228203873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114101931 + 114101932.

It is an arithmetic number, because the mean of its divisors is an integer number (114101932).

Almost surely, 2^228203863 is an apocalyptic number.

228203863 is a deficient number, since it is larger than the sum of its proper divisors (1).

228203863 is an equidigital number, since it uses as much as digits as its factorization.

228203863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 228203863 is about 15106.4179407297. The cubic root of 228203863 is about 611.0934994949.

The spelling of 228203863 in words is "two hundred twenty-eight million, two hundred three thousand, eight hundred sixty-three".