22224221613 has 48 divisors (see below), whose sum is σ = 36960295680. Its totient is φ = 13182554880.

The previous prime is 22224221603. The next prime is 22224221627. The reversal of 22224221613 is 31612242222.

22224221613 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 42 + 2 + 1 + 613 = 666.

It is not a de Polignac number, because 22224221613 - 2²⁸ = 21955786157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224221603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81181 + ... + 225917.

It is an arithmetic number, because the mean of its divisors is an integer number (770006160).

Almost surely, 2^22224221613 is an apocalyptic number.

It is an amenable number.

22224221613 is a deficient number, since it is larger than the sum of its proper divisors (14736074067).

22224221613 is a wasteful number, since it uses less digits than its factorization.

22224221613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144815 (or 144798 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 22224221613 its reverse (31612242222), we get a palindrome (53836463835).

The spelling of 22224221613 in words is "twenty-two billion, two hundred twenty-four million, two hundred twenty-one thousand, six hundred thirteen".