195228408 has 64 divisors (see below), whose sum is σ = 522214560. Its totient is φ = 60604416.

The previous prime is 195228373. The next prime is 195228413. The reversal of 195228408 is 804822591.

It is a super-2 number, since 2×195228408² = 76228262580428928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37110 + ... + 42042.

Almost surely, 2^195228408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195228408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261107280).

195228408 is an abundant number, since it is smaller than the sum of its proper divisors (326986152).

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

195228408 is a wasteful number, since it uses less digits than its factorization.

195228408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 195228408 is about 13972.4159686147. The cubic root of 195228408 is about 580.1153238775.

The spelling of 195228408 in words is "one hundred ninety-five million, two hundred twenty-eight thousand, four hundred eight".