194570092201 has 3 divisors (see below), whose sum is σ = 194570533303. Its totient is φ = 194569651100.

The previous prime is 194570092169. The next prime is 194570092219. The reversal of 194570092201 is 102290075491.

It is a happy number.

The square root of 194570092201 is 441101.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102290075491 = 113 ⋅905221907.

It can be written as a sum of positive squares in only one way, i.e., 84651320601 + 109918771600 = 290949^2 + 331540^2 .

It is not a de Polignac number, because 194570092201 - 2⁵ = 194570092169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194570092261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 220551 + ... + 661651.

Almost surely, 2^194570092201 is an apocalyptic number.

194570092201 is the 441101-st square number.

194570092201 is the 220551-st centered octagonal number.

It is an amenable number.

194570092201 is a deficient number, since it is larger than the sum of its proper divisors (441102).

194570092201 is an frugal number, since it uses more digits than its factorization.

194570092201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882202 (or 441101 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 194570092201 in words is "one hundred ninety-four billion, five hundred seventy million, ninety-two thousand, two hundred one".