28230167 has 4 divisors (see below), whose sum is σ = 32263056. Its totient is φ = 24197280.

The previous prime is 28230161. The next prime is 28230173. The reversal of 28230167 is 76103282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28230161) and next prime (28230173).

It is a cyclic number.

It is not a de Polignac number, because 28230167 - 2⁴ = 28230151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28230161) 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 in 3 ways as a sum of consecutive naturals, for example, 2016434 + ... + 2016447.

It is an arithmetic number, because the mean of its divisors is an integer number (8065764).

Almost surely, 2^28230167 is an apocalyptic number.

28230167 is a deficient number, since it is larger than the sum of its proper divisors (4032889).

28230167 is an equidigital number, since it uses as much as digits as its factorization.

28230167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032888.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28230167 is about 5313.2068470934. The cubic root of 28230167 is about 304.4886783376.

The spelling of 28230167 in words is "twenty-eight million, two hundred thirty thousand, one hundred sixty-seven".