22536422 has 16 divisors (see below), whose sum is σ = 35119440. Its totient is φ = 10833312.

The previous prime is 22536421. The next prime is 22536427. The reversal of 22536422 is 22463522.

It is a junction number, because it is equal to n+sod(n) for n = 22536391 and 22536400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15728 + ... + 17100.

It is an arithmetic number, because the mean of its divisors is an integer number (2194965).

Almost surely, 2^22536422 is an apocalyptic number.

22536422 is a deficient number, since it is larger than the sum of its proper divisors (12583018).

22536422 is a wasteful number, since it uses less digits than its factorization.

22536422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687.

The product of its digits is 5760, while the sum is 26.

The square root of 22536422 is about 4747.2541537188. The cubic root of 22536422 is about 282.4630572727.

Adding to 22536422 its reverse (22463522), we get a palindrome (44999944).

Subtracting from 22536422 its reverse (22463522), we obtain a square (72900 = 270²).

The spelling of 22536422 in words is "twenty-two million, five hundred thirty-six thousand, four hundred twenty-two".