22205122 has 8 divisors (see below), whose sum is σ = 33872400. Its totient is φ = 10914324.

The previous prime is 22205119. The next prime is 22205137. The reversal of 22205122 is 22150222.

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 = 22205096 and 22205105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93972 + ... + 94207.

It is an arithmetic number, because the mean of its divisors is an integer number (4234050).

Almost surely, 2^22205122 is an apocalyptic number.

22205122 is a deficient number, since it is larger than the sum of its proper divisors (11667278).

22205122 is a wasteful number, since it uses less digits than its factorization.

22205122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188240.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22205122 is about 4712.2311063869. The cubic root of 22205122 is about 281.0720888317.

Adding to 22205122 its reverse (22150222), we get a palindrome (44355344).

The spelling of 22205122 in words is "twenty-two million, two hundred five thousand, one hundred twenty-two".