22522244 has 48 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 10158720.

The previous prime is 22522219. The next prime is 22522271. The reversal of 22522244 is 44222522.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151082 + ... + 151230.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^22522244 is an apocalyptic number.

It is an amenable number.

22522244 is a deficient number, since it is larger than the sum of its proper divisors (21023356).

22522244 is a wasteful number, since it uses less digits than its factorization.

22522244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 258 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 22522244 is about 4745.7606345032. The cubic root of 22522244 is about 282.4038109360.

Adding to 22522244 its reverse (44222522), we get a palindrome (66744766).

The spelling of 22522244 in words is "twenty-two million, five hundred twenty-two thousand, two hundred forty-four".