25534222454 has 8 divisors (see below), whose sum is σ = 41247590160. Its totient is φ = 11785025736.

The previous prime is 25534222453. The next prime is 25534222543. The reversal of 25534222454 is 45422243552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25534222453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491042714 + ... + 491042765.

It is an arithmetic number, because the mean of its divisors is an integer number (5155948770).

Almost surely, 2^25534222454 is an apocalyptic number.

25534222454 is a deficient number, since it is larger than the sum of its proper divisors (15713367706).

25534222454 is a wasteful number, since it uses less digits than its factorization.

25534222454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982085494.

The product of its digits is 384000, while the sum is 38.

The spelling of 25534222454 in words is "twenty-five billion, five hundred thirty-four million, two hundred twenty-two thousand, four hundred fifty-four".