22540251655 has 8 divisors (see below), whose sum is σ = 27102510000. Its totient is φ = 17996062656.

The previous prime is 22540251623. The next prime is 22540251691. The reversal of 22540251655 is 55615204522.

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

It is a cyclic number.

It is not a de Polignac number, because 22540251655 - 2⁵ = 22540251623 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4514590 + ... + 4519579.

It is an arithmetic number, because the mean of its divisors is an integer number (3387813750).

Almost surely, 2^22540251655 is an apocalyptic number.

22540251655 is a deficient number, since it is larger than the sum of its proper divisors (4562258345).

22540251655 is an equidigital number, since it uses as much as digits as its factorization.

22540251655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034673.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 22540251655 in words is "twenty-two billion, five hundred forty million, two hundred fifty-one thousand, six hundred fifty-five".