22013131223 has 8 divisors (see below), whose sum is σ = 22226031888. Its totient is φ = 21800548224.

The previous prime is 22013131213. The next prime is 22013131253. The reversal of 22013131223 is 32213131022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22013131223 - 2³⁴ = 4833262039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22013131195 and 22013131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013131213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61040 + ... + 218522.

It is an arithmetic number, because the mean of its divisors is an integer number (2778253986).

Almost surely, 2^22013131223 is an apocalyptic number.

22013131223 is a deficient number, since it is larger than the sum of its proper divisors (212900665).

22013131223 is a wasteful number, since it uses less digits than its factorization.

22013131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158833.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22013131223 its reverse (32213131022), we get a palindrome (54226262245).

The spelling of 22013131223 in words is "twenty-two billion, thirteen million, one hundred thirty-one thousand, two hundred twenty-three".