228425474538733 has 2 divisors, whose sum is σ = 228425474538734. Its totient is φ = 228425474538732.

The previous prime is 228425474538721. The next prime is 228425474538791. The reversal of 228425474538733 is 337835474524822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141518575160964 + 86906899377769 = 11896158^2 + 9322387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228425474538733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228425474538713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114212737269366 + 114212737269367.

It is an arithmetic number, because the mean of its divisors is an integer number (114212737269367).

Almost surely, 2^{228425474538733} is an apocalyptic number.

It is an amenable number.

228425474538733 is a deficient number, since it is larger than the sum of its proper divisors (1).

228425474538733 is an equidigital number, since it uses as much as digits as its factorization.

228425474538733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1083801600, while the sum is 67.

The spelling of 228425474538733 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 thirty-three".