25222023318 has 64 divisors (see below), whose sum is σ = 53404738560. Its totient is φ = 7928186112.

The previous prime is 25222023217. The next prime is 25222023319. The reversal of 25222023318 is 81332022252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222023319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4274146 + ... + 4280042.

It is an arithmetic number, because the mean of its divisors is an integer number (834449040).

Almost surely, 2^25222023318 is an apocalyptic number.

25222023318 is an abundant number, since it is smaller than the sum of its proper divisors (28182715242).

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

25222023318 is a wasteful number, since it uses less digits than its factorization.

25222023318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 25222023318 in words is "twenty-five billion, two hundred twenty-two million, twenty-three thousand, three hundred eighteen".