42229 has 6 divisors (see below), whose sum is σ = 46550. Its totient is φ = 38280.

The previous prime is 42227. The next prime is 42239. The reversal of 42229 is 92224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39204 + 3025 = 198^2 + 55^2 .

It is not a de Polignac number, because 42229 - 2¹ = 42227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54 + ... + 295.

2⁴²²²⁹ is an apocalyptic number.

It is an amenable number.

42229 is a deficient number, since it is larger than the sum of its proper divisors (4321).

42229 is a wasteful number, since it uses less digits than its factorization.

42229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 360 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 42229 is about 205.4969586150. The cubic root of 42229 is about 34.8233273815.

The spelling of 42229 in words is "forty-two thousand, two hundred twenty-nine".