25628472222 has 16 divisors (see below), whose sum is σ = 51625701120. Its totient is φ = 8481364632.

The previous prime is 25628472203. The next prime is 25628472277. The reversal of 25628472222 is 22227482652.

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 7 ways as a sum of consecutive naturals, for example, 15363958 + ... + 15365625.

It is an arithmetic number, because the mean of its divisors is an integer number (3226606320).

Almost surely, 2^25628472222 is an apocalyptic number.

25628472222 is an abundant number, since it is smaller than the sum of its proper divisors (25997228898).

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

25628472222 is a wasteful number, since it uses less digits than its factorization.

25628472222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30729727.

The product of its digits is 430080, while the sum is 42.

The spelling of 25628472222 in words is "twenty-five billion, six hundred twenty-eight million, four hundred seventy-two thousand, two hundred twenty-two".