25000415022 has 32 divisors (see below), whose sum is σ = 54784586880. Its totient is φ = 7542796320.

The previous prime is 25000415021. The next prime is 25000415119. The reversal of 25000415022 is 22051400052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25000415022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000415021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811948 + ... + 842175.

It is an arithmetic number, because the mean of its divisors is an integer number (1712018340).

Almost surely, 2^25000415022 is an apocalyptic number.

25000415022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25000415022 is an abundant number, since it is smaller than the sum of its proper divisors (29784171858).

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

25000415022 is a wasteful number, since it uses less digits than its factorization.

25000415022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654368.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 25000415022 its reverse (22051400052), we get a palindrome (47051815074).

The spelling of 25000415022 in words is "twenty-five billion, four hundred fifteen thousand, twenty-two".