22204001222 has 8 divisors (see below), whose sum is σ = 35868002016. Its totient is φ = 10248000552.

The previous prime is 22204001191. The next prime is 22204001231. The reversal of 22204001222 is 22210040222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22204001222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426999998 + ... + 427000049.

It is an arithmetic number, because the mean of its divisors is an integer number (4483500252).

Almost surely, 2^22204001222 is an apocalyptic number.

22204001222 is a deficient number, since it is larger than the sum of its proper divisors (13664000794).

22204001222 is a wasteful number, since it uses less digits than its factorization.

22204001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854000062.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22204001222 its reverse (22210040222), we get a palindrome (44414041444).

The spelling of 22204001222 in words is "twenty-two billion, two hundred four million, one thousand, two hundred twenty-two".