22140526 has 16 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 10906200.

The previous prime is 22140523. The next prime is 22140527. The reversal of 22140526 is 62504122.

It is a junction number, because it is equal to n+sod(n) for n = 22140497 and 22140506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140523) 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, 50215 + ... + 50653.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^22140526 is an apocalyptic number.

22140526 is a deficient number, since it is larger than the sum of its proper divisors (11566994).

22140526 is a wasteful number, since it uses less digits than its factorization.

22140526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22140526 is about 4705.3720363006. The cubic root of 22140526 is about 280.7992723931.

Adding to 22140526 its reverse (62504122), we get a palindrome (84644648).

The spelling of 22140526 in words is "twenty-two million, one hundred forty thousand, five hundred twenty-six".