25900222568 has 32 divisors (see below), whose sum is σ = 56094068160. Its totient is φ = 11080308480.

The previous prime is 25900222507. The next prime is 25900222591. The reversal of 25900222568 is 86522200952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8654996 + ... + 8657987.

It is an arithmetic number, because the mean of its divisors is an integer number (1752939630).

Almost surely, 2^25900222568 is an apocalyptic number.

It is an amenable number.

25900222568 is an abundant number, since it is smaller than the sum of its proper divisors (30193845592).

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

25900222568 is a wasteful number, since it uses less digits than its factorization.

25900222568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313017 (or 17313013 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 25900222568 in words is "twenty-five billion, nine hundred million, two hundred twenty-two thousand, five hundred sixty-eight".