22522313 has 8 divisors (see below), whose sum is σ = 25638336. Its totient is φ = 19584400.

The previous prime is 22522303. The next prime is 22522327. The reversal of 22522313 is 31322522.

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

It is not a de Polignac number, because 22522313 - 2⁸ = 22522057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22522303) 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, 44258 + ... + 44763.

It is an arithmetic number, because the mean of its divisors is an integer number (3204792).

Almost surely, 2^22522313 is an apocalyptic number.

22522313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22522313 is a deficient number, since it is larger than the sum of its proper divisors (3116023).

22522313 is a wasteful number, since it uses less digits than its factorization.

22522313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89055.

The product of its digits is 720, while the sum is 20.

The square root of 22522313 is about 4745.7679041436. The cubic root of 22522313 is about 282.4040993301.

Adding to 22522313 its reverse (31322522), we get a palindrome (53844835).

The spelling of 22522313 in words is "twenty-two million, five hundred twenty-two thousand, three hundred thirteen".