22242513 has 8 divisors (see below), whose sum is σ = 30458368. Its totient is φ = 14427504.

The previous prime is 22242503. The next prime is 22242533. The reversal of 22242513 is 31524222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22242513 - 2¹⁰ = 22241489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22242513.

It is not an unprimeable number, because it can be changed into a prime (22242503) 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, 100081 + ... + 100302.

It is an arithmetic number, because the mean of its divisors is an integer number (3807296).

Almost surely, 2^22242513 is an apocalyptic number.

It is an amenable number.

22242513 is a deficient number, since it is larger than the sum of its proper divisors (8215855).

22242513 is a wasteful number, since it uses less digits than its factorization.

22242513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200423.

The product of its digits is 960, while the sum is 21.

The square root of 22242513 is about 4716.1968788421. The cubic root of 22242513 is about 281.2297652603.

Adding to 22242513 its reverse (31524222), we get a palindrome (53766735).

The spelling of 22242513 in words is "twenty-two million, two hundred forty-two thousand, five hundred thirteen".