22001000222 has 16 divisors (see below), whose sum is σ = 33061513392. Its totient is φ = 10980513600.

The previous prime is 22001000209. The next prime is 22001000227. The reversal of 22001000222 is 22200010022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001000227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789722 + ... + 3795522.

It is an arithmetic number, because the mean of its divisors is an integer number (2066344587).

Almost surely, 2^22001000222 is an apocalyptic number.

22001000222 is a deficient number, since it is larger than the sum of its proper divisors (11060513170).

22001000222 is a wasteful number, since it uses less digits than its factorization.

22001000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22001000222 its reverse (22200010022), we get a palindrome (44201010244).

The spelling of 22001000222 in words is "twenty-two billion, one million, two hundred twenty-two", and thus it is an aban number.