228151 has 8 divisors (see below), whose sum is σ = 284544. Its totient is φ = 177720.

The previous prime is 228139. The next prime is 228181. The reversal of 228151 is 151822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228151 - 2⁷ = 228023 is a prime.

It is a pancake number, because a pancake can be divided into 228151 parts by 675 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2²²⁸¹⁵¹ is an apocalyptic number.

228151 is a deficient number, since it is larger than the sum of its proper divisors (56393).

228151 is a wasteful number, since it uses less digits than its factorization.

228151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981.

The product of its digits is 160, while the sum is 19.

The square root of 228151 is about 477.6515466321. The cubic root of 228151 is about 61.1046309627.

Adding to 228151 its reverse (151822), we get a palindrome (379973).

It can be divided in two parts, 2281 and 51, that added together give a palindrome (2332).

The spelling of 228151 in words is "two hundred twenty-eight thousand, one hundred fifty-one".