22212322223122 has 8 divisors (see below), whose sum is σ = 33319399063500. Its totient is φ = 11105855868624.

The previous prime is 22212322223111. The next prime is 22212322223173. The reversal of 22212322223122 is 22132222321222.

It can be written as a sum of positive squares in 2 ways, for example, as 18608775536521 + 3603546686601 = 4313789^2 + 1898301^2 .

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

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, 152530497 + ... + 152676052.

Almost surely, 2^{22212322223122} is an apocalyptic number.

22212322223122 is a deficient number, since it is larger than the sum of its proper divisors (11107076840378).

22212322223122 is a wasteful number, since it uses less digits than its factorization.

22212322223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305242940.

The product of its digits is 9216, while the sum is 28.

Adding to 22212322223122 its reverse (22132222321222), we get a palindrome (44344544544344).

The spelling of 22212322223122 in words is "twenty-two trillion, two hundred twelve billion, three hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-two".