22222224444406 has 32 divisors (see below), whose sum is σ = 38150051708160. Its totient is φ = 9510110993376.

The previous prime is 22222224444391. The next prime is 22222224444419. The reversal of 22222224444406 is 60444442222222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93344881 + ... + 93582643.

It is an arithmetic number, because the mean of its divisors is an integer number (1192189115880).

Almost surely, 2^{22222224444406} is an apocalyptic number.

22222224444406 is a deficient number, since it is larger than the sum of its proper divisors (15927827263754).

22222224444406 is a wasteful number, since it uses less digits than its factorization.

22222224444406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247348.

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 22222224444406 its reverse (60444442222222), we get a palindrome (82666666666628).

The spelling of 22222224444406 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-four million, four hundred forty-four thousand, four hundred six".