22001001222 has 8 divisors (see below), whose sum is σ = 44002002456. Its totient is φ = 7333667072.

The previous prime is 22001001221. The next prime is 22001001271. The reversal of 22001001222 is 22210010022.

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

22001001222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22001001198 and 22001001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833416763 + ... + 1833416774.

It is an arithmetic number, because the mean of its divisors is an integer number (5500250307).

Almost surely, 2^22001001222 is an apocalyptic number.

22001001222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001001222 is a wasteful number, since it uses less digits than its factorization.

22001001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666833542.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001001222 its reverse (22210010022), we get a palindrome (44211011244).

The spelling of 22001001222 in words is "twenty-two billion, one million, one thousand, two hundred twenty-two".