228082643 has 2 divisors, whose sum is σ = 228082644. Its totient is φ = 228082642.

The previous prime is 228082639. The next prime is 228082649. The reversal of 228082643 is 346280822.

228082643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228082643 - 2² = 228082639 is a prime.

It is not a weakly prime, because it can be changed into another prime (228082649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114041321 + 114041322.

It is an arithmetic number, because the mean of its divisors is an integer number (114041322).

Almost surely, 2^228082643 is an apocalyptic number.

228082643 is a deficient number, since it is larger than the sum of its proper divisors (1).

228082643 is an equidigital number, since it uses as much as digits as its factorization.

228082643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 228082643 is about 15102.4052057942. The cubic root of 228082643 is about 610.9852777303.

The spelling of 228082643 in words is "two hundred twenty-eight million, eighty-two thousand, six hundred forty-three".