195224665 has 8 divisors (see below), whose sum is σ = 242348040. Its totient is φ = 150794112.

The previous prime is 195224647. The next prime is 195224683. The reversal of 195224665 is 566422591.

195224665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195224647) and next prime (195224683).

It can be written as a sum of positive squares in 4 ways, for example, as 28504921 + 166719744 = 5339^2 + 12912^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 195224665 - 2⁹ = 195224153 is a prime.

It is a super-2 number, since 2×195224665² = 76225339648724450, 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, 673044 + ... + 673333.

It is an arithmetic number, because the mean of its divisors is an integer number (30293505).

Almost surely, 2^195224665 is an apocalyptic number.

It is an amenable number.

195224665 is a deficient number, since it is larger than the sum of its proper divisors (47123375).

195224665 is a wasteful number, since it uses less digits than its factorization.

195224665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346411.

The product of its digits is 129600, while the sum is 40.

The square root of 195224665 is about 13972.2820254960. The cubic root of 195224665 is about 580.1116164499. Note that the first 3 decimals are identical.

The spelling of 195224665 in words is "one hundred ninety-five million, two hundred twenty-four thousand, six hundred sixty-five".