22528282 has 8 divisors (see below), whose sum is σ = 38619936. Its totient is φ = 9654972.

The previous prime is 22528277. The next prime is 22528283. The reversal of 22528282 is 28282522.

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

It is not an unprimeable number, because it can be changed into a prime (22528283) 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, 804568 + ... + 804595.

It is an arithmetic number, because the mean of its divisors is an integer number (4827492).

Almost surely, 2^22528282 is an apocalyptic number.

22528282 is a deficient number, since it is larger than the sum of its proper divisors (16091654).

22528282 is a wasteful number, since it uses less digits than its factorization.

22528282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609172.

The product of its digits is 10240, while the sum is 31.

The square root of 22528282 is about 4746.3967385797. The cubic root of 22528282 is about 282.4290452755.

The spelling of 22528282 in words is "twenty-two million, five hundred twenty-eight thousand, two hundred eighty-two".