228578671 has 2 divisors, whose sum is σ = 228578672. Its totient is φ = 228578670.

The previous prime is 228578663. The next prime is 228578681. The reversal of 228578671 is 176875822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228578671 - 2³ = 228578663 is a prime.

It is a super-2 number, since 2×228578671² = 104496417672252482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228578681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114289335 + 114289336.

It is an arithmetic number, because the mean of its divisors is an integer number (114289336).

Almost surely, 2^228578671 is an apocalyptic number.

228578671 is a deficient number, since it is larger than the sum of its proper divisors (1).

228578671 is an equidigital number, since it uses as much as digits as its factorization.

228578671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The square root of 228578671 is about 15118.8184392829. The cubic root of 228578671 is about 611.4278751541.

The spelling of 228578671 in words is "two hundred twenty-eight million, five hundred seventy-eight thousand, six hundred seventy-one".