192220085 has 12 divisors (see below), whose sum is σ = 241132332. Its totient is φ = 147088128.

The previous prime is 192220079. The next prime is 192220121. The reversal of 192220085 is 580022291.

It can be written as a sum of positive squares in 2 ways, for example, as 78818884 + 113401201 = 8878^2 + 10649^2 .

It is not a de Polignac number, because 192220085 - 2¹⁴ = 192203701 is a prime.

It is a super-2 number, since 2×192220085² = 73897122154814450, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 33692 + ... + 38981.

It is an arithmetic number, because the mean of its divisors is an integer number (20094361).

Almost surely, 2^192220085 is an apocalyptic number.

It is an amenable number.

192220085 is a deficient number, since it is larger than the sum of its proper divisors (48912247).

192220085 is an equidigital number, since it uses as much as digits as its factorization.

192220085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72724 (or 72701 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 192220085 is about 13864.3458194031. The cubic root of 192220085 is about 577.1201727696.

The spelling of 192220085 in words is "one hundred ninety-two million, two hundred twenty thousand, eighty-five".