22001112222 has 16 divisors (see below), whose sum is σ = 44008749840. Its totient is φ = 7332616512.

The previous prime is 22001112169. The next prime is 22001112223. The reversal of 22001112222 is 22221110022.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001112223) 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, 227503 + ... + 309450.

It is an arithmetic number, because the mean of its divisors is an integer number (2750546865).

Almost surely, 2^22001112222 is an apocalyptic number.

22001112222 is an abundant number, since it is smaller than the sum of its proper divisors (22007637618).

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

22001112222 is a wasteful number, since it uses less digits than its factorization.

22001112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543787.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22001112222 its reverse (22221110022), we get a palindrome (44222222244).

The spelling of 22001112222 in words is "twenty-two billion, one million, one hundred twelve thousand, two hundred twenty-two".