42222133 has 4 divisors (see below), whose sum is σ = 42259968. Its totient is φ = 42184300.

The previous prime is 42222119. The next prime is 42222139. The reversal of 42222133 is 33122224.

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 a de Polignac number, because none of the positive numbers 2^k-42222133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42222133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222139) 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, 17191 + ... + 19492.

It is an arithmetic number, because the mean of its divisors is an integer number (10564992).

Almost surely, 2^42222133 is an apocalyptic number.

It is an amenable number.

42222133 is a deficient number, since it is larger than the sum of its proper divisors (37835).

42222133 is a wasteful number, since it uses less digits than its factorization.

42222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37834.

The product of its digits is 576, while the sum is 19.

The square root of 42222133 is about 6497.8560310305. The cubic root of 42222133 is about 348.2143969964.

Adding to 42222133 its reverse (33122224), we get a palindrome (75344357).

Subtracting from 42222133 its reverse (33122224), we obtain a palindrome (9099909).

The spelling of 42222133 in words is "forty-two million, two hundred twenty-two thousand, one hundred thirty-three".