22241813 has 8 divisors (see below), whose sum is σ = 24442560. Its totient is φ = 20070880.

The previous prime is 22241801. The next prime is 22241827. The reversal of 22241813 is 31814222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22241813 - 2⁶ = 22241749 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 (22241893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (3055320).

Almost surely, 2^22241813 is an apocalyptic number.

It is an amenable number.

22241813 is a deficient number, since it is larger than the sum of its proper divisors (2200747).

22241813 is a wasteful number, since it uses less digits than its factorization.

22241813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14907.

The product of its digits is 768, while the sum is 23.

The square root of 22241813 is about 4716.1226659195. The cubic root of 22241813 is about 281.2268150106.

The spelling of 22241813 in words is "twenty-two million, two hundred forty-one thousand, eight hundred thirteen".