42237 has 18 divisors (see below), whose sum is σ = 69342. Its totient is φ = 24624.

The previous prime is 42227. The next prime is 42239. The reversal of 42237 is 73224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29241 + 12996 = 171^2 + 114^2 .

It is not a de Polignac number, because 42237 - 2⁴ = 42221 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42239) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2214 + ... + 2232.

2⁴²²³⁷ is an apocalyptic number.

It is an amenable number.

42237 is a deficient number, since it is larger than the sum of its proper divisors (27105).

42237 is a wasteful number, since it uses less digits than its factorization.

42237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 35 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 42237 is about 205.5164227014. The cubic root of 42237 is about 34.8255262577.

The spelling of 42237 in words is "forty-two thousand, two hundred thirty-seven".