22540425422 has 16 divisors (see below), whose sum is σ = 34002643200. Its totient is φ = 11206392120.

The previous prime is 22540425403. The next prime is 22540425433. The reversal of 22540425422 is 22452404522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205979 + ... + 295817.

It is an arithmetic number, because the mean of its divisors is an integer number (2125165200).

Almost surely, 2^22540425422 is an apocalyptic number.

22540425422 is a deficient number, since it is larger than the sum of its proper divisors (11462217778).

22540425422 is a wasteful number, since it uses less digits than its factorization.

22540425422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90551.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 22540425422 its reverse (22452404522), we get a palindrome (44992829944).

The spelling of 22540425422 in words is "twenty-two billion, five hundred forty million, four hundred twenty-five thousand, four hundred twenty-two".