228000121471 has 2 divisors, whose sum is σ = 228000121472. Its totient is φ = 228000121470.

The previous prime is 228000121463. The next prime is 228000121519. The reversal of 228000121471 is 174121000822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228000121471 - 2³ = 228000121463 is a prime.

It is a super-3 number, since 3×228000121471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228000721471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000060735 + 114000060736.

It is an arithmetic number, because the mean of its divisors is an integer number (114000060736).

Almost surely, 2^228000121471 is an apocalyptic number.

228000121471 is a deficient number, since it is larger than the sum of its proper divisors (1).

228000121471 is an equidigital number, since it uses as much as digits as its factorization.

228000121471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 228000121471 in words is "two hundred twenty-eight billion, one hundred twenty-one thousand, four hundred seventy-one".