22113313221 has 16 divisors (see below), whose sum is σ = 30070152000. Its totient is φ = 14450775168.

The previous prime is 22113313199. The next prime is 22113313259. The reversal of 22113313221 is 12231331122.

It is not a de Polignac number, because 22113313221 - 2¹³ = 22113305029 is a prime.

It is a super-2 number, since 2×22113313221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113314221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117216 + ... + 240761.

It is an arithmetic number, because the mean of its divisors is an integer number (1879384500).

Almost surely, 2^22113313221 is an apocalyptic number.

It is an amenable number.

22113313221 is a deficient number, since it is larger than the sum of its proper divisors (7956838779).

22113313221 is a wasteful number, since it uses less digits than its factorization.

22113313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358388.

The product of its digits is 432, while the sum is 21.

Adding to 22113313221 its reverse (12231331122), we get a palindrome (34344644343).

The spelling of 22113313221 in words is "twenty-two billion, one hundred thirteen million, three hundred thirteen thousand, two hundred twenty-one".