228037 has 4 divisors (see below), whose sum is σ = 229600. Its totient is φ = 226476.

The previous prime is 228023. The next prime is 228049. The reversal of 228037 is 730822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730822 = 2 ⋅365411.

It is a cyclic number.

It is not a de Polignac number, because 228037 - 2¹¹ = 225989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227999 and 228017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228077) 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 3 ways as a sum of consecutive naturals, for example, 537 + ... + 862.

It is an arithmetic number, because the mean of its divisors is an integer number (57400).

2²²⁸⁰³⁷ is an apocalyptic number.

It is an amenable number.

228037 is a deficient number, since it is larger than the sum of its proper divisors (1563).

228037 is a wasteful number, since it uses less digits than its factorization.

228037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 228037 is about 477.5321978673. The cubic root of 228037 is about 61.0944519022.

Adding to 228037 its reverse (730822), we get a palindrome (958859).

The spelling of 228037 in words is "two hundred twenty-eight thousand, thirty-seven".