22105122004 has 24 divisors (see below), whose sum is σ = 44333412480. Its totient is φ = 9447230496.

The previous prime is 22105122001. The next prime is 22105122019. The reversal of 22105122004 is 40022150122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105122001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089487 + ... + 1109590.

It is an arithmetic number, because the mean of its divisors is an integer number (1847225520).

Almost surely, 2^22105122004 is an apocalyptic number.

It is an amenable number.

22105122004 is an abundant number, since it is smaller than the sum of its proper divisors (22228290476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22105122004 is a wasteful number, since it uses less digits than its factorization.

22105122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199447 (or 2199445 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22105122004 its reverse (40022150122), we get a palindrome (62127272126).

The spelling of 22105122004 in words is "twenty-two billion, one hundred five million, one hundred twenty-two thousand, four".