224164 has 6 divisors (see below), whose sum is σ = 392294. Its totient is φ = 112080.

The previous prime is 224153. The next prime is 224171. The reversal of 224164 is 461422.

224164 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 14400 = 458^2 + 120^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28017 + ... + 28024.

2²²⁴¹⁶⁴ is an apocalyptic number.

It is an amenable number.

224164 is a deficient number, since it is larger than the sum of its proper divisors (168130).

224164 is a wasteful number, since it uses less digits than its factorization.

224164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56045 (or 56043 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 224164 is about 473.4596075696. The cubic root of 224164 is about 60.7465972680.

Adding to 224164 its reverse (461422), we get a palindrome (685586).

It can be divided in two parts, 22 and 4164, that added together give a triangular number (4186 = T₉₁).

The spelling of 224164 in words is "two hundred twenty-four thousand, one hundred sixty-four".