228514 has 32 divisors (see below), whose sum is σ = 435456. Its totient is φ = 88320.

The previous prime is 228511. The next prime is 228517. The reversal of 228514 is 415822.

It is an interprime number because it is at equal distance from previous prime (228511) and next prime (228517).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2²²⁸⁵¹⁴ is an apocalyptic number.

228514 is a deficient number, since it is larger than the sum of its proper divisors (206942).

228514 is a wasteful number, since it uses less digits than its factorization.

228514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90.

The product of its digits is 640, while the sum is 22.

The square root of 228514 is about 478.0313797231. The cubic root of 228514 is about 61.1370206633.

The spelling of 228514 in words is "two hundred twenty-eight thousand, five hundred fourteen".