224130309 has 16 divisors (see below), whose sum is σ = 323616384. Its totient is φ = 137160000.

The previous prime is 224130307. The next prime is 224130337. The reversal of 224130309 is 903031422.

It is not a de Polignac number, because 224130309 - 2¹ = 224130307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224130301) 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, 8817 + ... + 22934.

It is an arithmetic number, because the mean of its divisors is an integer number (20226024).

Almost surely, 2^224130309 is an apocalyptic number.

It is an amenable number.

224130309 is a deficient number, since it is larger than the sum of its proper divisors (99486075).

224130309 is a wasteful number, since it uses less digits than its factorization.

224130309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31948.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 224130309 is about 14970.9822323053. The cubic root of 224130309 is about 607.4355378772.

The spelling of 224130309 in words is "two hundred twenty-four million, one hundred thirty thousand, three hundred nine".