22124103440 has 20 divisors (see below), whose sum is σ = 51438540684. Its totient is φ = 8849641344.

The previous prime is 22124103437. The next prime is 22124103457. The reversal of 22124103440 is 4430142122.

It can be written as a sum of positive squares in 2 ways, for example, as 12666151936 + 9457951504 = 112544^2 + 97252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138275567 + ... + 138275726.

Almost surely, 2^22124103440 is an apocalyptic number.

22124103440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124103440 is an abundant number, since it is smaller than the sum of its proper divisors (29314437244).

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

22124103440 is a wasteful number, since it uses less digits than its factorization.

22124103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276551306 (or 276551300 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22124103440 its reverse (4430142122), we get a palindrome (26554245562).

The spelling of 22124103440 in words is "twenty-two billion, one hundred twenty-four million, one hundred three thousand, four hundred forty".