25422422224144 has 20 divisors (see below), whose sum is σ = 53733756065040. Its totient is φ = 11555646465440.

The previous prime is 25422422224079. The next prime is 25422422224151. The reversal of 25422422224144 is 44142222422452.

It is a junction number, because it is equal to n+sod(n) for n = 25422422224097 and 25422422224106.

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, 72222790234 + ... + 72222790585.

It is an arithmetic number, because the mean of its divisors is an integer number (2686687803252).

Almost surely, 2^{25422422224144} is an apocalyptic number.

It is an amenable number.

25422422224144 is an abundant number, since it is smaller than the sum of its proper divisors (28311333840896).

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

25422422224144 is a wasteful number, since it uses less digits than its factorization.

25422422224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144445580838 (or 144445580832 counting only the distinct ones).

The product of its digits is 655360, while the sum is 40.

Adding to 25422422224144 its reverse (44142222422452), we get a palindrome (69564644646596).

The spelling of 25422422224144 in words is "twenty-five trillion, four hundred twenty-two billion, four hundred twenty-two million, two hundred twenty-four thousand, one hundred forty-four".