22201000222 has 4 divisors (see below), whose sum is σ = 33301500336. Its totient is φ = 11100500110.

The previous prime is 22201000219. The next prime is 22201000267. The reversal of 22201000222 is 22200010222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550250054 + ... + 5550250057.

It is an arithmetic number, because the mean of its divisors is an integer number (8325375084).

Almost surely, 2^22201000222 is an apocalyptic number.

22201000222 is a deficient number, since it is larger than the sum of its proper divisors (11100500114).

22201000222 is a wasteful number, since it uses less digits than its factorization.

22201000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100500113.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22201000222 its reverse (22200010222), we get a palindrome (44401010444).

The spelling of 22201000222 in words is "twenty-two billion, two hundred one million, two hundred twenty-two", and thus it is an aban number.