42211133 has 4 divisors (see below), whose sum is σ = 42805728. Its totient is φ = 41616540.

The previous prime is 42211129. The next prime is 42211157. The reversal of 42211133 is 33111224.

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.

It is a cyclic number.

It is not a de Polignac number, because 42211133 - 2² = 42211129 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 (42211163) 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, 297191 + ... + 297332.

It is an arithmetic number, because the mean of its divisors is an integer number (10701432).

Almost surely, 2^42211133 is an apocalyptic number.

It is an amenable number.

42211133 is a deficient number, since it is larger than the sum of its proper divisors (594595).

42211133 is an equidigital number, since it uses as much as digits as its factorization.

42211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594594.

The product of its digits is 144, while the sum is 17.

The square root of 42211133 is about 6497.0095428589. The cubic root of 42211133 is about 348.1841546347.

Adding to 42211133 its reverse (33111224), we get a palindrome (75322357).

Subtracting from 42211133 its reverse (33111224), we obtain a palindrome (9099909).

The spelling of 42211133 in words is "forty-two million, two hundred eleven thousand, one hundred thirty-three".