22536426 has 16 divisors (see below), whose sum is σ = 49170528. Its totient is φ = 6829200.

The previous prime is 22536421. The next prime is 22536427. The reversal of 22536426 is 62463522.

It is a junction number, because it is equal to n+sod(n) for n = 22536393 and 22536402.

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, 170665 + ... + 170796.

It is an arithmetic number, because the mean of its divisors is an integer number (3073158).

Almost surely, 2^22536426 is an apocalyptic number.

22536426 is an abundant number, since it is smaller than the sum of its proper divisors (26634102).

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

22536426 is a wasteful number, since it uses less digits than its factorization.

22536426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341477.

The product of its digits is 17280, while the sum is 30.

The square root of 22536426 is about 4747.2545750149. The cubic root of 22536426 is about 282.4630739842.

Adding to 22536426 its reverse (62463522), we get a palindrome (84999948).

The spelling of 22536426 in words is "twenty-two million, five hundred thirty-six thousand, four hundred twenty-six".