42067229 has 4 divisors (see below), whose sum is σ = 42091260. Its totient is φ = 42043200.

The previous prime is 42067169. The next prime is 42067237. The reversal of 42067229 is 92276024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22944100 + 19123129 = 4790^2 + 4373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42067229 is a prime.

It is a super-3 number, since 3×42067229³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42067195 and 42067204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42067829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9164 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (10522815).

Almost surely, 2^42067229 is an apocalyptic number.

It is an amenable number.

42067229 is a deficient number, since it is larger than the sum of its proper divisors (24031).

42067229 is a wasteful number, since it uses less digits than its factorization.

42067229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42067229 is about 6485.9254543974. The cubic root of 42067229 is about 347.7880337091.

The spelling of 42067229 in words is "forty-two million, sixty-seven thousand, two hundred twenty-nine".