22613289 has 4 divisors (see below), whose sum is σ = 30151056. Its totient is φ = 15075524.

The previous prime is 22613203. The next prime is 22613299. The reversal of 22613289 is 98231622.

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 not a de Polignac number, because 22613289 - 2⁷ = 22613161 is a prime.

It is a super-3 number, since 3×22613289³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22613299) 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 3 ways as a sum of consecutive naturals, for example, 3768879 + ... + 3768884.

It is an arithmetic number, because the mean of its divisors is an integer number (7537764).

Almost surely, 2^22613289 is an apocalyptic number.

It is an amenable number.

22613289 is a deficient number, since it is larger than the sum of its proper divisors (7537767).

22613289 is an equidigital number, since it uses as much as digits as its factorization.

22613289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537766.

The product of its digits is 10368, while the sum is 33.

The square root of 22613289 is about 4755.3432052797. The cubic root of 22613289 is about 282.7838335605.

The spelling of 22613289 in words is "twenty-two million, six hundred thirteen thousand, two hundred eighty-nine".