224170978061 has 4 divisors (see below), whose sum is σ = 224172959292. Its totient is φ = 224168996832.

The previous prime is 224170978027. The next prime is 224170978069. The reversal of 224170978061 is 160879071422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133919402500 + 90251575561 = 365950^2 + 300419^2 .

It is a cyclic number.

It is not a de Polignac number, because 224170978061 - 2³⁰ = 223097236237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224170977997 and 224170978015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224170978069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 809906 + ... + 1050851.

It is an arithmetic number, because the mean of its divisors is an integer number (56043239823).

Almost surely, 2^224170978061 is an apocalyptic number.

It is an amenable number.

224170978061 is a deficient number, since it is larger than the sum of its proper divisors (1981231).

224170978061 is a wasteful number, since it uses less digits than its factorization.

224170978061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981230.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 224170978061 in words is "two hundred twenty-four billion, one hundred seventy million, nine hundred seventy-eight thousand, sixty-one".