22210752 has 56 divisors (see below), whose sum is σ = 60807600. Its totient is φ = 7146496.

The previous prime is 22210729. The next prime is 22210757. The reversal of 22210752 is 25701222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22210757) 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, 3574 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (1085850).

Almost surely, 2^22210752 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 22210752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30403800).

22210752 is an abundant number, since it is smaller than the sum of its proper divisors (38596848).

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

22210752 is a wasteful number, since it uses less digits than its factorization.

22210752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22210752 is about 4712.8284500924. The cubic root of 22210752 is about 281.0958416418.

Adding to 22210752 its reverse (25701222), we get a palindrome (47911974).

The spelling of 22210752 in words is "twenty-two million, two hundred ten thousand, seven hundred fifty-two".