25055442422 has 8 divisors (see below), whose sum is σ = 37613549856. Its totient is φ = 12517592472.

The previous prime is 25055442407. The next prime is 25055442493. The reversal of 25055442422 is 22424455052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061278 + ... + 5066225.

It is an arithmetic number, because the mean of its divisors is an integer number (4701693732).

Almost surely, 2^25055442422 is an apocalyptic number.

25055442422 is a deficient number, since it is larger than the sum of its proper divisors (12558107434).

25055442422 is a wasteful number, since it uses less digits than its factorization.

25055442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128742.

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 25055442422 its reverse (22424455052), we get a palindrome (47479897474).

The spelling of 25055442422 in words is "twenty-five billion, fifty-five million, four hundred forty-two thousand, four hundred twenty-two".