228311994299 has 2 divisors, whose sum is σ = 228311994300. Its totient is φ = 228311994298.

The previous prime is 228311994233. The next prime is 228311994301. The reversal of 228311994299 is 992499113822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228311994299 - 2³⁶ = 159592517563 is a prime.

Together with 228311994301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228311994499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114155997149 + 114155997150.

It is an arithmetic number, because the mean of its divisors is an integer number (114155997150).

Almost surely, 2^228311994299 is an apocalyptic number.

228311994299 is a deficient number, since it is larger than the sum of its proper divisors (1).

228311994299 is an equidigital number, since it uses as much as digits as its factorization.

228311994299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The spelling of 228311994299 in words is "two hundred twenty-eight billion, three hundred eleven million, nine hundred ninety-four thousand, two hundred ninety-nine".