195225089 has 4 divisors (see below), whose sum is σ = 195691440. Its totient is φ = 194758740.

The previous prime is 195225053. The next prime is 195225101. The reversal of 195225089 is 980522591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195225089 - 2²⁰ = 194176513 is a prime.

It is a super-2 number, since 2×195225089² = 76225670750115842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195225029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232547 + ... + 233384.

It is an arithmetic number, because the mean of its divisors is an integer number (48922860).

Almost surely, 2^195225089 is an apocalyptic number.

It is an amenable number.

195225089 is a deficient number, since it is larger than the sum of its proper divisors (466351).

195225089 is an equidigital number, since it uses as much as digits as its factorization.

195225089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466350.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 195225089 is about 13972.2971983851. The cubic root of 195225089 is about 580.1120364227.

The spelling of 195225089 in words is "one hundred ninety-five million, two hundred twenty-five thousand, eighty-nine".