195224687 has 16 divisors (see below), whose sum is σ = 232193280. Its totient is φ = 160659072.

The previous prime is 195224683. The next prime is 195224693. The reversal of 195224687 is 786422591.

It is a happy number.

It is not a de Polignac number, because 195224687 - 2² = 195224683 is a prime.

It is a super-2 number, since 2×195224687² = 76225356828495938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195224683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12263 + ... + 23255.

It is an arithmetic number, because the mean of its divisors is an integer number (14512080).

Almost surely, 2^195224687 is an apocalyptic number.

195224687 is a deficient number, since it is larger than the sum of its proper divisors (36968593).

195224687 is a wasteful number, since it uses less digits than its factorization.

195224687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102.

The product of its digits is 241920, while the sum is 44.

The square root of 195224687 is about 13972.2828127690. The cubic root of 195224687 is about 580.1116382410. Note that the first 3 decimals are identical.

The spelling of 195224687 in words is "one hundred ninety-five million, two hundred twenty-four thousand, six hundred eighty-seven".