22122042556124 has 96 divisors (see below), whose sum is σ = 46838299103232. Its totient is φ = 8941109184000.

The previous prime is 22122042556057. The next prime is 22122042556127. The reversal of 22122042556124 is 42165524022122.

It is a super-2 number, since 2×22122042556124² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122042556127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31072214 + ... + 31776194.

It is an arithmetic number, because the mean of its divisors is an integer number (487898948992).

Almost surely, 2^{22122042556124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122042556124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23419149551616).

22122042556124 is an abundant number, since it is smaller than the sum of its proper divisors (24716256547108).

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

22122042556124 is a wasteful number, since it uses less digits than its factorization.

22122042556124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704947 (or 704945 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 22122042556124 its reverse (42165524022122), we get a palindrome (64287566578246).

The spelling of 22122042556124 in words is "twenty-two trillion, one hundred twenty-two billion, forty-two million, five hundred fifty-six thousand, one hundred twenty-four".