195220112 has 40 divisors (see below), whose sum is σ = 414315000. Its totient is φ = 88696832.

The previous prime is 195220099. The next prime is 195220121. The reversal of 195220112 is 211022591.

It can be written as a sum of positive squares in 4 ways, for example, as 116294656 + 78925456 = 10784^2 + 8884^2 .

It is a super-2 number, since 2×195220112² = 76221784258585088, which contains 22 as substring.

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, 4487 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (10357875).

Almost surely, 2^195220112 is an apocalyptic number.

It is an amenable number.

195220112 is an abundant number, since it is smaller than the sum of its proper divisors (219094888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195220112 is a wasteful number, since it uses less digits than its factorization.

195220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24803 (or 24797 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 195220112 is about 13972.1190948260. The cubic root of 195220112 is about 580.1071066565.

The spelling of 195220112 in words is "one hundred ninety-five million, two hundred twenty thousand, one hundred twelve".