42202133 has 4 divisors (see below), whose sum is σ = 42229260. Its totient is φ = 42175008.

The previous prime is 42202123. The next prime is 42202157. The reversal of 42202133 is 33120224.

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 23600164 + 18601969 = 4858^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 42202133 - 2¹⁶ = 42136597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202123) 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, 11078 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (10557315).

Almost surely, 2^42202133 is an apocalyptic number.

It is an amenable number.

42202133 is a deficient number, since it is larger than the sum of its proper divisors (27127).

42202133 is a wasteful number, since it uses less digits than its factorization.

42202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42202133 is about 6496.3168795865. The cubic root of 42202133 is about 348.1594069761.

Adding to 42202133 its reverse (33120224), we get a palindrome (75322357).

The spelling of 42202133 in words is "forty-two million, two hundred two thousand, one hundred thirty-three".