22017487849 has 8 divisors (see below), whose sum is σ = 25169639040. Its totient is φ = 18867035616.

The previous prime is 22017487823. The next prime is 22017487853. The reversal of 22017487849 is 94878471022.

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 22017487849 - 2⁷ = 22017487721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22017487796 and 22017487805.

It is not an unprimeable number, because it can be changed into a prime (22017487889) 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, 396844 + ... + 448909.

It is an arithmetic number, because the mean of its divisors is an integer number (3146204880).

Almost surely, 2^22017487849 is an apocalyptic number.

It is an amenable number.

22017487849 is a deficient number, since it is larger than the sum of its proper divisors (3152151191).

22017487849 is an equidigital number, since it uses as much as digits as its factorization.

22017487849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849479.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 22017487849 in words is "twenty-two billion, seventeen million, four hundred eighty-seven thousand, eight hundred forty-nine".