22522016 has 48 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 10126080.

The previous prime is 22522007. The next prime is 22522021. The reversal of 22522016 is 61022522.

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 7 ways as a sum of consecutive naturals, for example, 38075 + ... + 38661.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^22522016 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 22522016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24449040).

22522016 is an abundant number, since it is smaller than the sum of its proper divisors (26376064).

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

22522016 is a wasteful number, since it uses less digits than its factorization.

22522016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22522016 is about 4745.7366130033. The cubic root of 22522016 is about 282.4028579776.

Adding to 22522016 its reverse (61022522), we get a palindrome (83544538).

The spelling of 22522016 in words is "twenty-two million, five hundred twenty-two thousand, sixteen".