224894879 has 4 divisors (see below), whose sum is σ = 245339880. Its totient is φ = 204449880.

The previous prime is 224894869. The next prime is 224894893. The reversal of 224894879 is 978498422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224894879 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 224894879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224894869) 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, 10222484 + ... + 10222505.

It is an arithmetic number, because the mean of its divisors is an integer number (61334970).

Almost surely, 2^224894879 is an apocalyptic number.

224894879 is a deficient number, since it is larger than the sum of its proper divisors (20445001).

224894879 is a wasteful number, since it uses less digits than its factorization.

224894879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445000.

The product of its digits is 2322432, while the sum is 53.

The square root of 224894879 is about 14996.4955572960. The cubic root of 224894879 is about 608.1254637420.

The spelling of 224894879 in words is "two hundred twenty-four million, eight hundred ninety-four thousand, eight hundred seventy-nine".