228283711 has 2 divisors, whose sum is σ = 228283712. Its totient is φ = 228283710.

The previous prime is 228283709. The next prime is 228283729. The reversal of 228283711 is 117382822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228283711 - 2¹ = 228283709 is a prime.

It is a super-2 number, since 2×228283711² = 104226905415863042, which contains 22 as substring.

Together with 228283709, 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 (228283771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114141855 + 114141856.

It is an arithmetic number, because the mean of its divisors is an integer number (114141856).

Almost surely, 2^228283711 is an apocalyptic number.

228283711 is a deficient number, since it is larger than the sum of its proper divisors (1).

228283711 is an equidigital number, since it uses as much as digits as its factorization.

228283711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 228283711 is about 15109.0605598098. The cubic root of 228283711 is about 611.1647645810.

The spelling of 228283711 in words is "two hundred twenty-eight million, two hundred eighty-three thousand, seven hundred eleven".