228425474538791 has 2 divisors, whose sum is σ = 228425474538792. Its totient is φ = 228425474538790.

The previous prime is 228425474538733. The next prime is 228425474538797. The reversal of 228425474538791 is 197835474524822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228425474538791 - 2¹⁸ = 228425474276647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228425474538797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114212737269395 + 114212737269396.

It is an arithmetic number, because the mean of its divisors is an integer number (114212737269396).

Almost surely, 2^{228425474538791} is an apocalyptic number.

228425474538791 is a deficient number, since it is larger than the sum of its proper divisors (1).

228425474538791 is an equidigital number, since it uses as much as digits as its factorization.

228425474538791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1083801600, while the sum is 71.

The spelling of 228425474538791 in words is "two hundred twenty-eight trillion, four hundred twenty-five billion, four hundred seventy-four million, five hundred thirty-eight thousand, seven hundred ninety-one".