22004422440406 has 8 divisors (see below), whose sum is σ = 37721867040720. Its totient is φ = 9430466760168.

The previous prime is 22004422440367. The next prime is 22004422440409. The reversal of 22004422440406 is 60404422440022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004422440409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785872230001 + ... + 785872230028.

It is an arithmetic number, because the mean of its divisors is an integer number (4715233380090).

Almost surely, 2^{22004422440406} is an apocalyptic number.

22004422440406 is a deficient number, since it is larger than the sum of its proper divisors (15717444600314).

22004422440406 is a wasteful number, since it uses less digits than its factorization.

22004422440406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571744460038.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 22004422440406 its reverse (60404422440022), we get a palindrome (82408844880428).

The spelling of 22004422440406 in words is "twenty-two trillion, four billion, four hundred twenty-two million, four hundred forty thousand, four hundred six".