22140516 has 24 divisors (see below), whose sum is σ = 52138240. Its totient is φ = 7312032.

The previous prime is 22140509. The next prime is 22140523. The reversal of 22140516 is 61504122.

It is an interprime number because it is at equal distance from previous prime (22140509) and next prime (22140523).

It is a junction number, because it is equal to n+sod(n) for n = 22140492 and 22140501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7156 + ... + 9771.

Almost surely, 2^22140516 is an apocalyptic number.

It is an amenable number.

22140516 is an abundant number, since it is smaller than the sum of its proper divisors (29997724).

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

22140516 is a wasteful number, since it uses less digits than its factorization.

22140516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043 (or 17041 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22140516 is about 4705.3709736853. The cubic root of 22140516 is about 280.7992301178.

Adding to 22140516 its reverse (61504122), we get a palindrome (83644638).

The spelling of 22140516 in words is "twenty-two million, one hundred forty thousand, five hundred sixteen".