28088227 has 2 divisors, whose sum is σ = 28088228. Its totient is φ = 28088226.

The previous prime is 28088219. The next prime is 28088237. The reversal of 28088227 is 72288082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28088227 - 2³ = 28088219 is a prime.

It is not a weakly prime, because it can be changed into another prime (28088237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044113 + 14044114.

It is an arithmetic number, because the mean of its divisors is an integer number (14044114).

Almost surely, 2^28088227 is an apocalyptic number.

28088227 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088227 is an equidigital number, since it uses as much as digits as its factorization.

28088227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 28088227 is about 5299.8327332096. The cubic root of 28088227 is about 303.9775022305.

The spelling of 28088227 in words is "twenty-eight million, eighty-eight thousand, two hundred twenty-seven".