22481113 has 4 divisors (see below), whose sum is σ = 22816720. Its totient is φ = 22145508.

The previous prime is 22481101. The next prime is 22481117. The reversal of 22481113 is 31118422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22481113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22481117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167703 + ... + 167836.

It is an arithmetic number, because the mean of its divisors is an integer number (5704180).

Almost surely, 2^22481113 is an apocalyptic number.

It is an amenable number.

22481113 is a deficient number, since it is larger than the sum of its proper divisors (335607).

22481113 is an equidigital number, since it uses as much as digits as its factorization.

22481113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335606.

The product of its digits is 384, while the sum is 22.

The square root of 22481113 is about 4741.4252076775. The cubic root of 22481113 is about 282.2317938958.

Adding to 22481113 its reverse (31118422), we get a palindrome (53599535).

The spelling of 22481113 in words is "twenty-two million, four hundred eighty-one thousand, one hundred thirteen".