224172705698 has 6 divisors (see below), whose sum is σ = 336260062929. Its totient is φ = 112086018056.

The previous prime is 224172705667. The next prime is 224172705707. The reversal of 224172705698 is 896507271422.

It can be written as a sum of positive squares in 2 ways, for example, as 214153296289 + 10019409409 = 462767^2 + 100097^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334793.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 502190 + ... + 836982.

Almost surely, 2^224172705698 is an apocalyptic number.

224172705698 is a deficient number, since it is larger than the sum of its proper divisors (112087357231).

224172705698 is an frugal number, since it uses more digits than its factorization.

224172705698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669588 (or 334795 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 224172705698 in words is "two hundred twenty-four billion, one hundred seventy-two million, seven hundred five thousand, six hundred ninety-eight".