228077243 has 2 divisors, whose sum is σ = 228077244. Its totient is φ = 228077242.

The previous prime is 228077233. The next prime is 228077249. The reversal of 228077243 is 342770822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228077243 - 2¹² = 228073147 is a prime.

It is not a weakly prime, because it can be changed into another prime (228077249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114038621 + 114038622.

It is an arithmetic number, because the mean of its divisors is an integer number (114038622).

Almost surely, 2^228077243 is an apocalyptic number.

228077243 is a deficient number, since it is larger than the sum of its proper divisors (1).

228077243 is an equidigital number, since it uses as much as digits as its factorization.

228077243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 228077243 is about 15102.2264252659. The cubic root of 228077243 is about 610.9804558721.

The spelling of 228077243 in words is "two hundred twenty-eight million, seventy-seven thousand, two hundred forty-three".