22562128 has 40 divisors (see below), whose sum is σ = 46771560. Its totient is φ = 10506240.

The previous prime is 22562107. The next prime is 22562129. The reversal of 22562128 is 82126522.

It can be written as a sum of positive squares in 4 ways, for example, as 1658944 + 20903184 = 1288^2 + 4572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22562096 and 22562105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22562129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29268 + ... + 30028.

It is an arithmetic number, because the mean of its divisors is an integer number (1169289).

Almost surely, 2^22562128 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 22562128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23385780).

22562128 is an abundant number, since it is smaller than the sum of its proper divisors (24209432).

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

22562128 is a wasteful number, since it uses less digits than its factorization.

22562128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 889 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 22562128 is about 4749.9608419439. The cubic root of 22562128 is about 282.5704129178.

The spelling of 22562128 in words is "twenty-two million, five hundred sixty-two thousand, one hundred twenty-eight".