42211433 has 4 divisors (see below), whose sum is σ = 46048848. Its totient is φ = 38374020.

The previous prime is 42211409. The next prime is 42211439. The reversal of 42211433 is 33411224.

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 42211433 - 2¹⁰ = 42210409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42211439) 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, 1918691 + ... + 1918712.

It is an arithmetic number, because the mean of its divisors is an integer number (11512212).

Almost surely, 2^42211433 is an apocalyptic number.

It is an amenable number.

42211433 is a deficient number, since it is larger than the sum of its proper divisors (3837415).

42211433 is a wasteful number, since it uses less digits than its factorization.

42211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837414.

The product of its digits is 576, while the sum is 20.

The square root of 42211433 is about 6497.0326303629. The cubic root of 42211433 is about 348.1849794961.

Adding to 42211433 its reverse (33411224), we get a palindrome (75622657).

The spelling of 42211433 in words is "forty-two million, two hundred eleven thousand, four hundred thirty-three".