22112002222 has 8 divisors (see below), whose sum is σ = 33168710736. Its totient is φ = 11055765312.

The previous prime is 22112002139. The next prime is 22112002243. The reversal of 22112002222 is 22220021122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22112002196 and 22112002205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43518 + ... + 214750.

It is an arithmetic number, because the mean of its divisors is an integer number (4146088842).

Almost surely, 2^22112002222 is an apocalyptic number.

22112002222 is a deficient number, since it is larger than the sum of its proper divisors (11056708514).

22112002222 is a wasteful number, since it uses less digits than its factorization.

22112002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235802.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22112002222 its reverse (22220021122), we get a palindrome (44332023344).

The spelling of 22112002222 in words is "twenty-two billion, one hundred twelve million, two thousand, two hundred twenty-two".