224118857 has 4 divisors (see below), whose sum is σ = 224150916. Its totient is φ = 224086800.

The previous prime is 224118787. The next prime is 224118863. The reversal of 224118857 is 758811422.

224118857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 211295296 + 12823561 = 14536^2 + 3581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224118857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224118857.

It is not an unprimeable number, because it can be changed into a prime (224111857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 21179.

It is an arithmetic number, because the mean of its divisors is an integer number (56037729).

Almost surely, 2^224118857 is an apocalyptic number.

It is an amenable number.

224118857 is a deficient number, since it is larger than the sum of its proper divisors (32059).

224118857 is a wasteful number, since it uses less digits than its factorization.

224118857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32058.

The product of its digits is 35840, while the sum is 38.

The square root of 224118857 is about 14970.5997541849. The cubic root of 224118857 is about 607.4251920055.

The spelling of 224118857 in words is "two hundred twenty-four million, one hundred eighteen thousand, eight hundred fifty-seven".