28227382 has 8 divisors (see below), whose sum is σ = 43801200. Its totient is φ = 13626984.

The previous prime is 28227373. The next prime is 28227383. The reversal of 28227382 is 28372282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28227383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243282 + ... + 243397.

It is an arithmetic number, because the mean of its divisors is an integer number (5475150).

Almost surely, 2^28227382 is an apocalyptic number.

28227382 is a deficient number, since it is larger than the sum of its proper divisors (15573818).

28227382 is a wasteful number, since it uses less digits than its factorization.

28227382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486710.

The product of its digits is 21504, while the sum is 34.

The square root of 28227382 is about 5312.9447578532. The cubic root of 28227382 is about 304.4786650676.

Adding to 28227382 its product of digits (21504), we get a triangular number (28248886 = T₇₅₁₆).

The spelling of 28227382 in words is "twenty-eight million, two hundred twenty-seven thousand, three hundred eighty-two".