228437 has 8 divisors (see below), whose sum is σ = 262560. Its totient is φ = 196560.

The previous prime is 228427. The next prime is 228443. The reversal of 228437 is 734822.

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 228437 - 2⁴ = 228421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228437.

It is not an unprimeable number, because it can be changed into a prime (228427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (32820).

2²²⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

228437 is a deficient number, since it is larger than the sum of its proper divisors (34123).

228437 is a wasteful number, since it uses less digits than its factorization.

228437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its digits is 2688, while the sum is 26.

The square root of 228437 is about 477.9508342916. The cubic root of 228437 is about 61.1301529886.

The spelling of 228437 in words is "two hundred twenty-eight thousand, four hundred thirty-seven".