28226167 has 6 divisors (see below), whose sum is σ = 28518704. Its totient is φ = 27936600.

The previous prime is 28226123. The next prime is 28226183. The reversal of 28226167 is 76162282.

It is a de Polignac number, because none of the positive numbers 2^k-28226167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28226197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8818 + ... + 11584.

Almost surely, 2^28226167 is an apocalyptic number.

28226167 is a deficient number, since it is larger than the sum of its proper divisors (292537).

28226167 is an equidigital number, since it uses as much as digits as its factorization.

28226167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2868 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 28226167 is about 5312.8304132543. The cubic root of 28226167 is about 304.4742964149.

The spelling of 28226167 in words is "twenty-eight million, two hundred twenty-six thousand, one hundred sixty-seven".