224538242 has 16 divisors (see below), whose sum is σ = 348789240. Its totient is φ = 108283392.

The previous prime is 224538241. The next prime is 224538313. The reversal of 224538242 is 242835422.

It can be written as a sum of positive squares in 4 ways, for example, as 221444161 + 3094081 = 14881^2 + 1759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224538199 and 224538208.

It is not an unprimeable number, because it can be changed into a prime (224538241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85298 + ... + 87890.

Almost surely, 2^224538242 is an apocalyptic number.

224538242 is a deficient number, since it is larger than the sum of its proper divisors (124250998).

224538242 is a wasteful number, since it uses less digits than its factorization.

224538242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

The product of its digits is 30720, while the sum is 32.

The square root of 224538242 is about 14984.6001614991. The cubic root of 224538242 is about 607.8038397230.

The spelling of 224538242 in words is "two hundred twenty-four million, five hundred thirty-eight thousand, two hundred forty-two".