25442230022 has 96 divisors (see below), whose sum is σ = 48582823680. Its totient is φ = 9862110720.

The previous prime is 25442230013. The next prime is 25442230049. The reversal of 25442230022 is 22003224452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25442229973 and 25442230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2773868 + ... + 2783024.

It is an arithmetic number, because the mean of its divisors is an integer number (506071080).

Almost surely, 2^25442230022 is an apocalyptic number.

25442230022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25442230022 is a deficient number, since it is larger than the sum of its proper divisors (23140593658).

25442230022 is a wasteful number, since it uses less digits than its factorization.

25442230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246 (or 9229 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 25442230022 its reverse (22003224452), we get a palindrome (47445454474).

The spelling of 25442230022 in words is "twenty-five billion, four hundred forty-two million, two hundred thirty thousand, twenty-two".