22148518693 has 8 divisors (see below), whose sum is σ = 25929973440. Its totient is φ = 18521409120.

The previous prime is 22148518669. The next prime is 22148518703. The reversal of 22148518693 is 39681584122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22148518693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148518193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38585983 + ... + 38586556.

It is an arithmetic number, because the mean of its divisors is an integer number (3241246680).

Almost surely, 2^22148518693 is an apocalyptic number.

It is an amenable number.

22148518693 is a deficient number, since it is larger than the sum of its proper divisors (3781454747).

22148518693 is an equidigital number, since it uses as much as digits as its factorization.

22148518693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77172587.

The product of its digits is 829440, while the sum is 49.

The spelling of 22148518693 in words is "twenty-two billion, one hundred forty-eight million, five hundred eighteen thousand, six hundred ninety-three".