28852227 has 16 divisors (see below), whose sum is σ = 44124160. Its totient is φ = 18613800.

The previous prime is 28852223. The next prime is 28852231. The reversal of 28852227 is 72225882.

It is an interprime number because it is at equal distance from previous prime (28852223) and next prime (28852231).

It is not a de Polignac number, because 28852227 - 2² = 28852223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28852191 and 28852200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28852223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16399 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (2757760).

Almost surely, 2^28852227 is an apocalyptic number.

28852227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28852227 is a deficient number, since it is larger than the sum of its proper divisors (15271933).

28852227 is a wasteful number, since it uses less digits than its factorization.

28852227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34511 (or 34505 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 28852227 is about 5371.4269053949. The cubic root of 28852227 is about 306.7089483027.

The spelling of 28852227 in words is "twenty-eight million, eight hundred fifty-two thousand, two hundred twenty-seven".