22144125540432 has 80 divisors (see below), whose sum is σ = 65425721628672. Its totient is φ = 6322264575360.

The previous prime is 22144125540431. The next prime is 22144125540443. The reversal of 22144125540432 is 23404552144122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144125540431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23646444 + ... + 24565067.

Almost surely, 2^{22144125540432} is an apocalyptic number.

It is an amenable number.

22144125540432 is an abundant number, since it is smaller than the sum of its proper divisors (43281596088240).

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

22144125540432 is a wasteful number, since it uses less digits than its factorization.

22144125540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48212896 (or 48212890 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 22144125540432 its reverse (23404552144122), we get a palindrome (45548677684554).

The spelling of 22144125540432 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-five million, five hundred forty thousand, four hundred thirty-two".