22122320042422 has 16 divisors (see below), whose sum is σ = 33796727219232. Its totient is φ = 10857488987520.

The previous prime is 22122320042399. The next prime is 22122320042429. The reversal of 22122320042422 is 22424002322122.

It is a super-2 number, since 2×22122320042422² (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 (22122320042429) 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, 186111523 + ... + 186230350.

It is an arithmetic number, because the mean of its divisors is an integer number (2112295451202).

Almost surely, 2^{22122320042422} is an apocalyptic number.

22122320042422 is a deficient number, since it is larger than the sum of its proper divisors (11674407176810).

22122320042422 is a wasteful number, since it uses less digits than its factorization.

22122320042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372342423.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22122320042422 its reverse (22424002322122), we get a palindrome (44546322364544).

The spelling of 22122320042422 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred twenty million, forty-two thousand, four hundred twenty-two".