28227546 has 24 divisors (see below), whose sum is σ = 63133824. Its totient is φ = 9105480.

The previous prime is 28227523. The next prime is 28227649. The reversal of 28227546 is 64572282.

It is a self number, because there is not a number n which added to its sum of digits gives 28227546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24736 + ... + 25851.

It is an arithmetic number, because the mean of its divisors is an integer number (2630576).

Almost surely, 2^28227546 is an apocalyptic number.

28227546 is an abundant number, since it is smaller than the sum of its proper divisors (34906278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28227546 is a wasteful number, since it uses less digits than its factorization.

28227546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50626 (or 50623 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 28227546 is about 5312.9601918328. The cubic root of 28227546 is about 304.4792547362.

The spelling of 28227546 in words is "twenty-eight million, two hundred twenty-seven thousand, five hundred forty-six".