22011001222 has 16 divisors (see below), whose sum is σ = 37795322880. Its totient is φ = 9417741768.

The previous prime is 22011001217. The next prime is 22011001241. The reversal of 22011001222 is 22210011022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286572 + ... + 1303567.

It is an arithmetic number, because the mean of its divisors is an integer number (2362207680).

Almost surely, 2^22011001222 is an apocalyptic number.

22011001222 is a deficient number, since it is larger than the sum of its proper divisors (15784321658).

22011001222 is a wasteful number, since it uses less digits than its factorization.

22011001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590755.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22011001222 its reverse (22210011022), we get a palindrome (44221012244).

The spelling of 22011001222 in words is "twenty-two billion, eleven million, one thousand, two hundred twenty-two".