191920092922 has 4 divisors (see below), whose sum is σ = 287880139386. Its totient is φ = 95960046460.

The previous prime is 191920092911. The next prime is 191920092953. The reversal of 191920092922 is 229290029191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229290029191 = 126173 ⋅1817267.

It can be written as a sum of positive squares in only one way, i.e., 105137414001 + 86782678921 = 324249^2 + 294589^2 .

It is a super-2 number, since 2×191920092922² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47980023229 + ... + 47980023232.

Almost surely, 2^191920092922 is an apocalyptic number.

191920092922 is a deficient number, since it is larger than the sum of its proper divisors (95960046464).

191920092922 is an equidigital number, since it uses as much as digits as its factorization.

191920092922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95960046463.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 191920092922 in words is "one hundred ninety-one billion, nine hundred twenty million, ninety-two thousand, nine hundred twenty-two".