22244404406 has 16 divisors (see below), whose sum is σ = 38206189824. Its totient is φ = 9515084904.

The previous prime is 22244404367. The next prime is 22244404411. The reversal of 22244404406 is 60440444222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511690 + ... + 1526333.

It is an arithmetic number, because the mean of its divisors is an integer number (2387886864).

Almost surely, 2^22244404406 is an apocalyptic number.

22244404406 is a deficient number, since it is larger than the sum of its proper divisors (15961785418).

22244404406 is a wasteful number, since it uses less digits than its factorization.

22244404406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038555.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22244404406 its reverse (60440444222), we get a palindrome (82684848628).

The spelling of 22244404406 in words is "twenty-two billion, two hundred forty-four million, four hundred four thousand, four hundred six".