22194490985 has 8 divisors (see below), whose sum is σ = 26891966400. Its totient is φ = 17583207984.

The previous prime is 22194490973. The next prime is 22194490991. The reversal of 22194490985 is 58909449122.

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 22194490985 - 2³² = 17899523689 is a prime.

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, 21547535 + ... + 21548564.

It is an arithmetic number, because the mean of its divisors is an integer number (3361495800).

Almost surely, 2^22194490985 is an apocalyptic number.

It is an amenable number.

22194490985 is a deficient number, since it is larger than the sum of its proper divisors (4697475415).

22194490985 is a wasteful number, since it uses less digits than its factorization.

22194490985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43096207.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 22194490985 in words is "twenty-two billion, one hundred ninety-four million, four hundred ninety thousand, nine hundred eighty-five".