28851022 has 8 divisors (see below), whose sum is σ = 44283096. Its totient is φ = 14089992.

The previous prime is 28851013. The next prime is 28851029. The reversal of 28851022 is 22015882.

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 (28851029) 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, 167653 + ... + 167824.

It is an arithmetic number, because the mean of its divisors is an integer number (5535387).

Almost surely, 2^28851022 is an apocalyptic number.

28851022 is a deficient number, since it is larger than the sum of its proper divisors (15432074).

28851022 is a wasteful number, since it uses less digits than its factorization.

28851022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335522.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 28851022 is about 5371.3147366357. The cubic root of 28851022 is about 306.7046783905.

The spelling of 28851022 in words is "twenty-eight million, eight hundred fifty-one thousand, twenty-two".