195224381 has 8 divisors (see below), whose sum is σ = 214164000. Its totient is φ = 176483440.

The previous prime is 195224371. The next prime is 195224401. The reversal of 195224381 is 183422591.

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 195224381 - 2¹⁴ = 195207997 is a prime.

It is a super-2 number, since 2×195224381² = 76225117873666322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195224371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47606 + ... + 51543.

It is an arithmetic number, because the mean of its divisors is an integer number (26770500).

Almost surely, 2^195224381 is an apocalyptic number.

195224381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195224381 is a deficient number, since it is larger than the sum of its proper divisors (18939619).

195224381 is a wasteful number, since it uses less digits than its factorization.

195224381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99339.

The product of its digits is 17280, while the sum is 35.

The square root of 195224381 is about 13972.2718625140. The cubic root of 195224381 is about 580.1113351471. Note that the first 3 decimals are identical.

The spelling of 195224381 in words is "one hundred ninety-five million, two hundred twenty-four thousand, three hundred eighty-one".