22105231004 has 24 divisors (see below), whose sum is σ = 38982813408. Its totient is φ = 10967613440.

The previous prime is 22105230991. The next prime is 22105231013. The reversal of 22105231004 is 40013250122.

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, 229484 + ... + 311244.

It is an arithmetic number, because the mean of its divisors is an integer number (1624283892).

Almost surely, 2^22105231004 is an apocalyptic number.

It is an amenable number.

22105231004 is a deficient number, since it is larger than the sum of its proper divisors (16877582404).

22105231004 is a wasteful number, since it uses less digits than its factorization.

22105231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82285 (or 82283 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22105231004 its reverse (40013250122), we get a palindrome (62118481126).

The spelling of 22105231004 in words is "twenty-two billion, one hundred five million, two hundred thirty-one thousand, four".