22425044140 has 24 divisors (see below), whose sum is σ = 47558860272. Its totient is φ = 8881204800.

The previous prime is 22425044129. The next prime is 22425044149. The reversal of 22425044140 is 4144052422.

It is a junction number, because it is equal to n+sod(n) for n = 22425044099 and 22425044108.

It is not an unprimeable number, because it can be changed into a prime (22425044149) 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, 5548734 + ... + 5552773.

It is an arithmetic number, because the mean of its divisors is an integer number (1981619178).

Almost surely, 2^22425044140 is an apocalyptic number.

22425044140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22425044140 is an abundant number, since it is smaller than the sum of its proper divisors (25133816132).

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

22425044140 is a wasteful number, since it uses less digits than its factorization.

22425044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101617 (or 11101615 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 22425044140 its reverse (4144052422), we get a palindrome (26569096562).

The spelling of 22425044140 in words is "twenty-two billion, four hundred twenty-five million, forty-four thousand, one hundred forty".