22191695434 has 8 divisors (see below), whose sum is σ = 33288183108. Its totient is φ = 11095634400.

The previous prime is 22191695413. The next prime is 22191695509. The reversal of 22191695434 is 43459619122.

It can be written as a sum of positive squares in 2 ways, for example, as 17581964409 + 4609731025 = 132597^2 + 67895^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 118134 + ... + 241534.

Almost surely, 2^22191695434 is an apocalyptic number.

22191695434 is a deficient number, since it is larger than the sum of its proper divisors (11096487674).

22191695434 is a wasteful number, since it uses less digits than its factorization.

22191695434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213320.

The product of its digits is 466560, while the sum is 46.

The spelling of 22191695434 in words is "twenty-two billion, one hundred ninety-one million, six hundred ninety-five thousand, four hundred thirty-four".