42216322 has 16 divisors (see below), whose sum is σ = 64152000. Its totient is φ = 20834320.

The previous prime is 42216311. The next prime is 42216341. The reversal of 42216322 is 22361224.

It is a junction number, because it is equal to n+sod(n) for n = 42216293 and 42216302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70179 + ... + 70777.

It is an arithmetic number, because the mean of its divisors is an integer number (4009500).

Almost surely, 2^42216322 is an apocalyptic number.

42216322 is a deficient number, since it is larger than the sum of its proper divisors (21935678).

42216322 is a wasteful number, since it uses less digits than its factorization.

42216322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its digits is 1152, while the sum is 22.

The square root of 42216322 is about 6497.4088681566. The cubic root of 42216322 is about 348.1984214361.

Adding to 42216322 its reverse (22361224), we get a palindrome (64577546).

The spelling of 42216322 in words is "forty-two million, two hundred sixteen thousand, three hundred twenty-two".