228074115571 has 2 divisors, whose sum is σ = 228074115572. Its totient is φ = 228074115570.

The previous prime is 228074115509. The next prime is 228074115583. The reversal of 228074115571 is 175511470822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228074115571 - 2²⁵ = 228040561139 is a prime.

It is not a weakly prime, because it can be changed into another prime (228074115271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114037057785 + 114037057786.

It is an arithmetic number, because the mean of its divisors is an integer number (114037057786).

Almost surely, 2^228074115571 is an apocalyptic number.

228074115571 is a deficient number, since it is larger than the sum of its proper divisors (1).

228074115571 is an equidigital number, since it uses as much as digits as its factorization.

228074115571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 228074115571 in words is "two hundred twenty-eight billion, seventy-four million, one hundred fifteen thousand, five hundred seventy-one".