224784146 has 8 divisors (see below), whose sum is σ = 342703884. Its totient is φ = 110549520.

The previous prime is 224784143. The next prime is 224784163. The reversal of 224784146 is 641487422.

It can be written as a sum of positive squares in 2 ways, for example, as 204633025 + 20151121 = 14305^2 + 4489^2 .

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 (224784143) 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, 921125 + ... + 921368.

Almost surely, 2^224784146 is an apocalyptic number.

224784146 is a deficient number, since it is larger than the sum of its proper divisors (117919738).

224784146 is a wasteful number, since it uses less digits than its factorization.

224784146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842556.

The product of its digits is 86016, while the sum is 38.

The square root of 224784146 is about 14992.8031401736. The cubic root of 224784146 is about 608.0256384185.

The spelling of 224784146 in words is "two hundred twenty-four million, seven hundred eighty-four thousand, one hundred forty-six".