228311994233 has 2 divisors, whose sum is σ = 228311994234. Its totient is φ = 228311994232.

The previous prime is 228311994167. The next prime is 228311994299. The reversal of 228311994233 is 332499113822.

It is a balanced prime because it is at equal distance from previous prime (228311994167) and next prime (228311994299).

It can be written as a sum of positive squares in only one way, i.e., 129940062784 + 98371931449 = 360472^2 + 313643^2 .

It is a cyclic number.

It is not a de Polignac number, because 228311994233 - 2²⁶ = 228244885369 is a prime.

It is not a weakly prime, because it can be changed into another prime (228311999233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114155997116 + 114155997117.

It is an arithmetic number, because the mean of its divisors is an integer number (114155997117).

Almost surely, 2^228311994233 is an apocalyptic number.

It is an amenable number.

228311994233 is a deficient number, since it is larger than the sum of its proper divisors (1).

228311994233 is an equidigital number, since it uses as much as digits as its factorization.

228311994233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The spelling of 228311994233 in words is "two hundred twenty-eight billion, three hundred eleven million, nine hundred ninety-four thousand, two hundred thirty-three".