191968022 has 8 divisors (see below), whose sum is σ = 294078816. Its totient is φ = 93941752.

The previous prime is 191967991. The next prime is 191968031. The reversal of 191968022 is 220869191.

191968022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021013 + ... + 1021200.

It is an arithmetic number, because the mean of its divisors is an integer number (36759852).

Almost surely, 2^191968022 is an apocalyptic number.

191968022 is a deficient number, since it is larger than the sum of its proper divisors (102110794).

191968022 is a wasteful number, since it uses less digits than its factorization.

191968022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042262.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 191968022 is about 13855.2525058189. The cubic root of 191968022 is about 576.8677983886.

The spelling of 191968022 in words is "one hundred ninety-one million, nine hundred sixty-eight thousand, twenty-two".