22211222122 has 8 divisors (see below), whose sum is σ = 33318218016. Its totient is φ = 11105149452.

The previous prime is 22211222093. The next prime is 22211222161. The reversal of 22211222122 is 22122211222.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22211222122.

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, 167148 + ... + 268999.

It is an arithmetic number, because the mean of its divisors is an integer number (4164777252).

Almost surely, 2^22211222122 is an apocalyptic number.

22211222122 is a deficient number, since it is larger than the sum of its proper divisors (11106995894).

22211222122 is a wasteful number, since it uses less digits than its factorization.

22211222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461612.

The product of its digits is 256, while the sum is 19.

Adding to 22211222122 its reverse (22122211222), we get a palindrome (44333433344).

The spelling of 22211222122 in words is "twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".