228582971 has 2 divisors, whose sum is σ = 228582972. Its totient is φ = 228582970.

The previous prime is 228582967. The next prime is 228583021. The reversal of 228582971 is 179285822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228582971 - 2² = 228582967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228582931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114291485 + 114291486.

It is an arithmetic number, because the mean of its divisors is an integer number (114291486).

Almost surely, 2^228582971 is an apocalyptic number.

228582971 is a deficient number, since it is larger than the sum of its proper divisors (1).

228582971 is an equidigital number, since it uses as much as digits as its factorization.

228582971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 228582971 is about 15118.9606454941. The cubic root of 228582971 is about 611.4317091709.

The spelling of 228582971 in words is "two hundred twenty-eight million, five hundred eighty-two thousand, nine hundred seventy-one".