22528412 has 12 divisors (see below), whose sum is σ = 40490520. Its totient is φ = 10959696.

The previous prime is 22528411. The next prime is 22528423. The reversal of 22528412 is 21482522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22528411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 75962 + ... + 76257.

It is an arithmetic number, because the mean of its divisors is an integer number (3374210).

Almost surely, 2^22528412 is an apocalyptic number.

It is an amenable number.

22528412 is a deficient number, since it is larger than the sum of its proper divisors (17962108).

22528412 is a wasteful number, since it uses less digits than its factorization.

22528412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152260 (or 152258 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 22528412 is about 4746.4104331589. The cubic root of 22528412 is about 282.4295885290.

The spelling of 22528412 in words is "twenty-two million, five hundred twenty-eight thousand, four hundred twelve".