22125020144 has 20 divisors (see below), whose sum is σ = 43051213296. Its totient is φ = 11015029632.

The previous prime is 22125020143. The next prime is 22125020147. The reversal of 22125020144 is 44102052122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125020143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963684 + ... + 2971139.

Almost surely, 2^22125020144 is an apocalyptic number.

It is an amenable number.

22125020144 is a deficient number, since it is larger than the sum of its proper divisors (20926193152).

22125020144 is a wasteful number, since it uses less digits than its factorization.

22125020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935064 (or 5935058 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22125020144 its reverse (44102052122), we get a palindrome (66227072266).

The spelling of 22125020144 in words is "twenty-two billion, one hundred twenty-five million, twenty thousand, one hundred forty-four".