22562250 has 64 divisors (see below), whose sum is σ = 57283200. Its totient is φ = 5913600.

The previous prime is 22562233. The next prime is 22562263. The reversal of 22562250 is 5226522.

It is a self number, because there is not a number n which added to its sum of digits gives 22562250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50026 + ... + 50474.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 2^22562250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22562250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28641600).

22562250 is an abundant number, since it is smaller than the sum of its proper divisors (34720950).

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

22562250 is a wasteful number, since it uses less digits than its factorization.

22562250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22562250 is about 4749.9736841376. The cubic root of 22562250 is about 282.5709222304.

Adding to 22562250 its reverse (5226522), we get a palindrome (27788772).

The spelling of 22562250 in words is "twenty-two million, five hundred sixty-two thousand, two hundred fifty".