22300056 has 64 divisors (see below), whose sum is σ = 65599200. Its totient is φ = 6994944.

The previous prime is 22300051. The next prime is 22300063. The reversal of 22300056 is 65000322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636 + ... + 6708.

Almost surely, 2^22300056 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 22300056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32799600).

22300056 is an abundant number, since it is smaller than the sum of its proper divisors (43299144).

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

22300056 is a wasteful number, since it uses less digits than its factorization.

22300056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22300056 is about 4722.2935105730. The cubic root of 22300056 is about 281.4720770446.

Adding to 22300056 its reverse (65000322), we get a palindrome (87300378).

The spelling of 22300056 in words is "twenty-two million, three hundred thousand, fifty-six".