192201985 has 4 divisors (see below), whose sum is σ = 230642388. Its totient is φ = 153761584.

The previous prime is 192201979. The next prime is 192201991. The reversal of 192201985 is 589102291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589102291 = 491 ⋅1199801.

It is an interprime number because it is at equal distance from previous prime (192201979) and next prime (192201991).

It can be written as a sum of positive squares in 2 ways, for example, as 28387584 + 163814401 = 5328^2 + 12799^2 .

It is a cyclic number.

It is not a de Polignac number, because 192201985 - 2⁷ = 192201857 is a prime.

It is a Duffinian 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, 19220194 + ... + 19220203.

It is an arithmetic number, because the mean of its divisors is an integer number (57660597).

Almost surely, 2^192201985 is an apocalyptic number.

It is an amenable number.

192201985 is a deficient number, since it is larger than the sum of its proper divisors (38440403).

192201985 is an equidigital number, since it uses as much as digits as its factorization.

192201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38440402.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 192201985 is about 13863.6930505547. The cubic root of 192201985 is about 577.1020577653.

The spelling of 192201985 in words is "one hundred ninety-two million, two hundred one thousand, nine hundred eighty-five".