22043131205 has 8 divisors (see below), whose sum is σ = 26454155904. Its totient is φ = 17632906000.

The previous prime is 22043131153. The next prime is 22043131241. The reversal of 22043131205 is 50213134022.

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

It is a de Polignac number, because none of the positive numbers 2^k-22043131205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137441 + ... + 250950.

It is an arithmetic number, because the mean of its divisors is an integer number (3306769488).

Almost surely, 2^22043131205 is an apocalyptic number.

It is an amenable number.

22043131205 is a deficient number, since it is larger than the sum of its proper divisors (4411024699).

22043131205 is a wasteful number, since it uses less digits than its factorization.

22043131205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399747.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22043131205 its reverse (50213134022), we get a palindrome (72256265227).

The spelling of 22043131205 in words is "twenty-two billion, forty-three million, one hundred thirty-one thousand, two hundred five".