22199471798 has 64 divisors (see below), whose sum is σ = 41055759360. Its totient is φ = 8796598272.

The previous prime is 22199471779. The next prime is 22199471803. The reversal of 22199471798 is 89717499122.

It is a super-2 number, since 2×22199471798² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1334798 + ... + 1351326.

It is an arithmetic number, because the mean of its divisors is an integer number (641496240).

Almost surely, 2^22199471798 is an apocalyptic number.

22199471798 is a deficient number, since it is larger than the sum of its proper divisors (18856287562).

22199471798 is a wasteful number, since it uses less digits than its factorization.

22199471798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701.

The product of its digits is 4572288, while the sum is 59.

The spelling of 22199471798 in words is "twenty-two billion, one hundred ninety-nine million, four hundred seventy-one thousand, seven hundred ninety-eight".