28227602 has 8 divisors (see below), whose sum is σ = 45598476. Its totient is φ = 13028112.

The previous prime is 28227523. The next prime is 28227649. The reversal of 28227602 is 20672282.

It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 1301881 = 5189^2 + 1141^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542813 + ... + 542864.

Almost surely, 2^28227602 is an apocalyptic number.

28227602 is a deficient number, since it is larger than the sum of its proper divisors (17370874).

28227602 is a wasteful number, since it uses less digits than its factorization.

28227602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085692.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 28227602 is about 5312.9654619619. The cubic root of 28227602 is about 304.4794560860.

Adding to 28227602 its reverse (20672282), we get a palindrome (48899884).

The spelling of 28227602 in words is "twenty-eight million, two hundred twenty-seven thousand, six hundred two".