221122322 has 16 divisors (see below), whose sum is σ = 347569920. Its totient is φ = 105306432.

The previous prime is 221122309. The next prime is 221122331. The reversal of 221122322 is 223221122.

221122322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221122322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (21723120).

Almost surely, 2^221122322 is an apocalyptic number.

221122322 is a deficient number, since it is larger than the sum of its proper divisors (126447598).

221122322 is a wasteful number, since it uses less digits than its factorization.

221122322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20377.

The product of its digits is 192, while the sum is 17.

The square root of 221122322 is about 14870.1823122650. The cubic root of 221122322 is about 604.7058853190.

Adding to 221122322 its reverse (223221122), we get a palindrome (444343444).

The spelling of 221122322 in words is "two hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-two".