224544146 has 16 divisors (see below), whose sum is σ = 344945304. Its totient is φ = 109584384.

The previous prime is 224544137. The next prime is 224544161. The reversal of 224544146 is 641445422.

It can be written as a sum of positive squares in 4 ways, for example, as 202350625 + 22193521 = 14225^2 + 4711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15506 + ... + 26258.

Almost surely, 2^224544146 is an apocalyptic number.

224544146 is a deficient number, since it is larger than the sum of its proper divisors (120401158).

224544146 is a wasteful number, since it uses less digits than its factorization.

224544146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005.

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

The square root of 224544146 is about 14984.7971624577. The cubic root of 224544146 is about 607.8091668667.

Adding to 224544146 its reverse (641445422), we get a palindrome (865989568).

The spelling of 224544146 in words is "two hundred twenty-four million, five hundred forty-four thousand, one hundred forty-six".