228171851 has 2 divisors, whose sum is σ = 228171852. Its totient is φ = 228171850.

The previous prime is 228171833. The next prime is 228171869. The reversal of 228171851 is 158171822.

It is a balanced prime because it is at equal distance from previous prime (228171833) and next prime (228171869).

It is a cyclic number.

It is not a de Polignac number, because 228171851 - 2²⁶ = 161062987 is a prime.

It is not a weakly prime, because it can be changed into another prime (228170851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114085925 + 114085926.

It is an arithmetic number, because the mean of its divisors is an integer number (114085926).

Almost surely, 2^228171851 is an apocalyptic number.

228171851 is a deficient number, since it is larger than the sum of its proper divisors (1).

228171851 is an equidigital number, since it uses as much as digits as its factorization.

228171851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 35.

The square root of 228171851 is about 15105.3583539087. The cubic root of 228171851 is about 611.0649238175.

The spelling of 228171851 in words is "two hundred twenty-eight million, one hundred seventy-one thousand, eight hundred fifty-one".