224151 has 4 divisors (see below), whose sum is σ = 298872. Its totient is φ = 149432.

The previous prime is 224149. The next prime is 224153. The reversal of 224151 is 151422.

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

It is an interprime number because it is at equal distance from previous prime (224149) and next prime (224153).

It is a cyclic number.

It is not a de Polignac number, because 224151 - 2¹ = 224149 is a prime.

It is a D-number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 224151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224153) 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, 37356 + ... + 37361.

It is an arithmetic number, because the mean of its divisors is an integer number (74718).

2²²⁴¹⁵¹ is an apocalyptic number.

224151 is a deficient number, since it is larger than the sum of its proper divisors (74721).

224151 is an equidigital number, since it uses as much as digits as its factorization.

224151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74720.

The product of its digits is 80, while the sum is 15.

The square root of 224151 is about 473.4458786387. The cubic root of 224151 is about 60.7454229477.

Adding to 224151 its reverse (151422), we get a palindrome (375573).

The spelling of 224151 in words is "two hundred twenty-four thousand, one hundred fifty-one".