22448540687 has 4 divisors (see below), whose sum is σ = 22461175296. Its totient is φ = 22435906080.

The previous prime is 22448540677. The next prime is 22448540711. The reversal of 22448540687 is 78604584422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22448540687 - 2³² = 18153573391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448540617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6314639 + ... + 6318192.

It is an arithmetic number, because the mean of its divisors is an integer number (5615293824).

Almost surely, 2^22448540687 is an apocalyptic number.

22448540687 is a deficient number, since it is larger than the sum of its proper divisors (12634609).

22448540687 is a wasteful number, since it uses less digits than its factorization.

22448540687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634608.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 22448540687 in words is "twenty-two billion, four hundred forty-eight million, five hundred forty thousand, six hundred eighty-seven".