22221322 has 8 divisors (see below), whose sum is σ = 33507072. Its totient is φ = 11052300.

The previous prime is 22221319. The next prime is 22221343. The reversal of 22221322 is 22312222.

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 = 22221296 and 22221305.

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, 28704 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (4188384).

Almost surely, 2^22221322 is an apocalyptic number.

22221322 is a deficient number, since it is larger than the sum of its proper divisors (11285750).

22221322 is a wasteful number, since it uses less digits than its factorization.

22221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58364.

The product of its digits is 192, while the sum is 16.

The square root of 22221322 is about 4713.9497239576. The cubic root of 22221322 is about 281.1404253318.

Adding to 22221322 its reverse (22312222), we get a palindrome (44533544).

The spelling of 22221322 in words is "twenty-two million, two hundred twenty-one thousand, three hundred twenty-two".