25103302422 has 128 divisors (see below), whose sum is σ = 57526156800. Its totient is φ = 7233408000.

The previous prime is 25103302391. The next prime is 25103302487. The reversal of 25103302422 is 22420330152.

It is a junction number, because it is equal to n+sod(n) for n = 25103302392 and 25103302401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41768922 + ... + 41769522.

It is an arithmetic number, because the mean of its divisors is an integer number (449423100).

Almost surely, 2^25103302422 is an apocalyptic number.

25103302422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25103302422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28763078400).

25103302422 is an abundant number, since it is smaller than the sum of its proper divisors (32422854378).

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

25103302422 is a wasteful number, since it uses less digits than its factorization.

25103302422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 25103302422 its reverse (22420330152), we get a palindrome (47523632574).

The spelling of 25103302422 in words is "twenty-five billion, one hundred three million, three hundred two thousand, four hundred twenty-two".