42213422 has 8 divisors (see below), whose sum is σ = 63442776. Its totient is φ = 21065832.

The previous prime is 42213419. The next prime is 42213449. The reversal of 42213422 is 22431224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42213394 and 42213403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19133 + ... + 21224.

It is an arithmetic number, because the mean of its divisors is an integer number (7930347).

Almost surely, 2^42213422 is an apocalyptic number.

42213422 is a deficient number, since it is larger than the sum of its proper divisors (21229354).

42213422 is a wasteful number, since it uses less digits than its factorization.

42213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40882.

The product of its digits is 768, while the sum is 20.

The square root of 42213422 is about 6497.1856984390. The cubic root of 42213422 is about 348.1904482281.

Adding to 42213422 its reverse (22431224), we get a palindrome (64644646).

The spelling of 42213422 in words is "forty-two million, two hundred thirteen thousand, four hundred twenty-two".