224137 has 4 divisors (see below), whose sum is σ = 228420. Its totient is φ = 219856.

The previous prime is 224131. The next prime is 224149. The reversal of 224137 is 731422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 20736 = 451^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 224137 - 2³ = 224129 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (224131) 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, 2062 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (57105).

2²²⁴¹³⁷ is an apocalyptic number.

It is an amenable number.

224137 is a deficient number, since it is larger than the sum of its proper divisors (4283).

224137 is an equidigital number, since it uses as much as digits as its factorization.

224137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282.

The product of its digits is 336, while the sum is 19.

The square root of 224137 is about 473.4310931910. The cubic root of 224137 is about 60.7441582442.

Adding to 224137 its reverse (731422), we get a palindrome (955559).

It can be divided in two parts, 2241 and 37, that added together give a triangular number (2278 = T₆₇).

The spelling of 224137 in words is "two hundred twenty-four thousand, one hundred thirty-seven".