22828512 has 144 divisors (see below), whose sum is σ = 73084032. Its totient is φ = 6209280.

The previous prime is 22828499. The next prime is 22828517. The reversal of 22828512 is 21582822.

It is a super-2 number, since 2×22828512² = 1042281920268288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22828512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22828517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108087 + ... + 108297.

It is an arithmetic number, because the mean of its divisors is an integer number (507528).

Almost surely, 2^22828512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22828512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36542016).

22828512 is an abundant number, since it is smaller than the sum of its proper divisors (50255520).

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

22828512 is a wasteful number, since it uses less digits than its factorization.

22828512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 246 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 22828512 is about 4777.9192123769. The cubic root of 22828512 is about 283.6781383094.

The spelling of 22828512 in words is "twenty-two million, eight hundred twenty-eight thousand, five hundred twelve".