22242413 has 4 divisors (see below), whose sum is σ = 22338108. Its totient is φ = 22146720.

The previous prime is 22242401. The next prime is 22242419. The reversal of 22242413 is 31424222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 12866569 = 3062^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 22242413 - 2⁴ = 22242397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47498 + ... + 47963.

It is an arithmetic number, because the mean of its divisors is an integer number (5584527).

Almost surely, 2^22242413 is an apocalyptic number.

It is an amenable number.

22242413 is a deficient number, since it is larger than the sum of its proper divisors (95695).

22242413 is an equidigital number, since it uses as much as digits as its factorization.

22242413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95694.

The product of its digits is 768, while the sum is 20.

The square root of 22242413 is about 4716.1862770675. The cubic root of 22242413 is about 281.2293437998.

Adding to 22242413 its reverse (31424222), we get a palindrome (53666635).

The spelling of 22242413 in words is "twenty-two million, two hundred forty-two thousand, four hundred thirteen".