22221200013 has 16 divisors (see below), whose sum is σ = 31017186816. Its totient is φ = 14123870640.

The previous prime is 22221200009. The next prime is 22221200047. The reversal of 22221200013 is 31000212222.

It is a happy number.

It is not a de Polignac number, because 22221200013 - 2² = 22221200009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221199965 and 22221200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221200003) 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, 503323 + ... + 545688.

It is an arithmetic number, because the mean of its divisors is an integer number (1938574176).

Almost surely, 2^22221200013 is an apocalyptic number.

22221200013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22221200013 is a deficient number, since it is larger than the sum of its proper divisors (8795986803).

22221200013 is a wasteful number, since it uses less digits than its factorization.

22221200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049344.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22221200013 its reverse (31000212222), we get a palindrome (53221412235).

The spelling of 22221200013 in words is "twenty-two billion, two hundred twenty-one million, two hundred thousand, thirteen".