22252110 has 64 divisors (see below), whose sum is σ = 56070144. Its totient is φ = 5644800.

The previous prime is 22252067. The next prime is 22252117. The reversal of 22252110 is 1125222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22252110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65862 + ... + 66198.

It is an arithmetic number, because the mean of its divisors is an integer number (876096).

Almost surely, 2^22252110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22252110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28035072).

22252110 is an abundant number, since it is smaller than the sum of its proper divisors (33818034).

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

22252110 is a wasteful number, since it uses less digits than its factorization.

22252110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22252110 is about 4717.2142202787. The cubic root of 22252110 is about 281.2702069432.

Adding to 22252110 its reverse (1125222), we get a palindrome (23377332).

The spelling of 22252110 in words is "twenty-two million, two hundred fifty-two thousand, one hundred ten".