228030085447 has 2 divisors, whose sum is σ = 228030085448. Its totient is φ = 228030085446.

The previous prime is 228030085391. The next prime is 228030085457. The reversal of 228030085447 is 744580030822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228030085447 - 2⁷ = 228030085319 is a prime.

It is a super-2 number, since 2×228030085447² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228030085457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114015042723 + 114015042724.

It is an arithmetic number, because the mean of its divisors is an integer number (114015042724).

Almost surely, 2^228030085447 is an apocalyptic number.

228030085447 is a deficient number, since it is larger than the sum of its proper divisors (1).

228030085447 is an equidigital number, since it uses as much as digits as its factorization.

228030085447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 228030085447 in words is "two hundred twenty-eight billion, thirty million, eighty-five thousand, four hundred forty-seven".