25640092022 has 8 divisors (see below), whose sum is σ = 38460825000. Its totient is φ = 12819817024.

The previous prime is 25640092021. The next prime is 25640092061. The reversal of 25640092022 is 22029004652.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25640092022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25640092021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129254 + ... + 260742.

It is an arithmetic number, because the mean of its divisors is an integer number (4807603125).

Almost surely, 2^25640092022 is an apocalyptic number.

25640092022 is a deficient number, since it is larger than the sum of its proper divisors (12820732978).

25640092022 is a wasteful number, since it uses less digits than its factorization.

25640092022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228990.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 25640092022 its reverse (22029004652), we get a palindrome (47669096674).

The spelling of 25640092022 in words is "twenty-five billion, six hundred forty million, ninety-two thousand, twenty-two".