224429218 has 8 divisors (see below), whose sum is σ = 362539548. Its totient is φ = 103582704.

The previous prime is 224429213. The next prime is 224429221. The reversal of 224429218 is 812924422.

It can be written as a sum of positive squares in 2 ways, for example, as 216001809 + 8427409 = 14697^2 + 2903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (224429213) 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, 4315921 + ... + 4315972.

Almost surely, 2^224429218 is an apocalyptic number.

224429218 is a deficient number, since it is larger than the sum of its proper divisors (138110330).

224429218 is a wasteful number, since it uses less digits than its factorization.

224429218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631908.

The product of its digits is 18432, while the sum is 34.

The square root of 224429218 is about 14980.9618516302. The cubic root of 224429218 is about 607.7054512361.

The spelling of 224429218 in words is "two hundred twenty-four million, four hundred twenty-nine thousand, two hundred eighteen".