28227601 has 8 divisors (see below), whose sum is σ = 29612160. Its totient is φ = 26856192.

The previous prime is 28227523. The next prime is 28227649. The reversal of 28227601 is 10672282.

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

It is a cyclic number.

It is not a de Polignac number, because 28227601 - 2⁷ = 28227473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28227601.

It is not an unprimeable number, because it can be changed into a prime (28227671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (3701520).

Almost surely, 2^28227601 is an apocalyptic number.

It is an amenable number.

28227601 is a deficient number, since it is larger than the sum of its proper divisors (1384559).

28227601 is a wasteful number, since it uses less digits than its factorization.

28227601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 28227601 is about 5312.9653678525. The cubic root of 28227601 is about 304.4794524904.

Adding to 28227601 its reverse (10672282), we get a palindrome (38899883).

The spelling of 28227601 in words is "twenty-eight million, two hundred twenty-seven thousand, six hundred one".