22242524 has 24 divisors (see below), whose sum is σ = 40304880. Its totient is φ = 10733184.

The previous prime is 22242503. The next prime is 22242533. The reversal of 22242524 is 42524222.

It is a self number, because there is not a number n which added to its sum of digits gives 22242524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14582 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (1679370).

Almost surely, 2^22242524 is an apocalyptic number.

It is an amenable number.

22242524 is a deficient number, since it is larger than the sum of its proper divisors (18062356).

22242524 is a wasteful number, since it uses less digits than its factorization.

22242524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1587 counting only the distinct ones).

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

The square root of 22242524 is about 4716.1980450359. The cubic root of 22242524 is about 281.2298116209.

Adding to 22242524 its reverse (42524222), we get a palindrome (64766746).

The spelling of 22242524 in words is "twenty-two million, two hundred forty-two thousand, five hundred twenty-four".