228266711 has 2 divisors, whose sum is σ = 228266712. Its totient is φ = 228266710.

The previous prime is 228266699. The next prime is 228266719. The reversal of 228266711 is 117662822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228266711 - 2¹⁴ = 228250327 is a prime.

It is a Chen prime.

It is equal to p_12552497 and since 228266711 and 12552497 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228266719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114133355 + 114133356.

It is an arithmetic number, because the mean of its divisors is an integer number (114133356).

Almost surely, 2^228266711 is an apocalyptic number.

228266711 is a deficient number, since it is larger than the sum of its proper divisors (1).

228266711 is an equidigital number, since it uses as much as digits as its factorization.

228266711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 228266711 is about 15108.4979729952. The cubic root of 228266711 is about 611.1495933147.

The spelling of 228266711 in words is "two hundred twenty-eight million, two hundred sixty-six thousand, seven hundred eleven".