22222031232113 has 4 divisors (see below), whose sum is σ = 22222041069888. Its totient is φ = 22222021394340.

The previous prime is 22222031232083. The next prime is 22222031232133. The reversal of 22222031232113 is 31123213022222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22222031232113 - 2¹² = 22222031228017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222031232133) 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, 352268 + ... + 6675938.

It is an arithmetic number, because the mean of its divisors is an integer number (5555510267472).

Almost surely, 2^{22222031232113} is an apocalyptic number.

It is an amenable number.

22222031232113 is a deficient number, since it is larger than the sum of its proper divisors (9837775).

22222031232113 is an equidigital number, since it uses as much as digits as its factorization.

22222031232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837774.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22222031232113 its reverse (31123213022222), we get a palindrome (53345244254335).

The spelling of 22222031232113 in words is "twenty-two trillion, two hundred twenty-two billion, thirty-one million, two hundred thirty-two thousand, one hundred thirteen".