193922005 has 8 divisors (see below), whose sum is σ = 238382424. Its totient is φ = 151353600.

The previous prime is 193921997. The next prime is 193922017. The reversal of 193922005 is 500229391.

It can be written as a sum of positive squares in 4 ways, for example, as 8254129 + 185667876 = 2873^2 + 13626^2 .

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

It is not a de Polignac number, because 193922005 - 2³ = 193921997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472776 + ... + 473185.

It is an arithmetic number, because the mean of its divisors is an integer number (29797803).

Almost surely, 2^193922005 is an apocalyptic number.

It is an amenable number.

193922005 is a deficient number, since it is larger than the sum of its proper divisors (44460419).

193922005 is an equidigital number, since it uses as much as digits as its factorization.

193922005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946007.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 193922005 is about 13925.5881383875. The cubic root of 193922005 is about 578.8184477757.

The spelling of 193922005 in words is "one hundred ninety-three million, nine hundred twenty-two thousand, five".