22440042204222 has 64 divisors (see below), whose sum is σ = 46873908035136. Its totient is φ = 7156002263040.

The previous prime is 22440042204211. The next prime is 22440042204241. The reversal of 22440042204222 is 22240224004422.

It is a self number, because there is not a number n which added to its sum of digits gives 22440042204222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504783 + ... + 6718250.

It is an arithmetic number, because the mean of its divisors is an integer number (732404813049).

Almost surely, 2^{22440042204222} is an apocalyptic number.

22440042204222 is an abundant number, since it is smaller than the sum of its proper divisors (24433865830914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22440042204222 is a wasteful number, since it uses less digits than its factorization.

22440042204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223325.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22440042204222 its reverse (22240224004422), we get a palindrome (44680266208644).

The spelling of 22440042204222 in words is "twenty-two trillion, four hundred forty billion, forty-two million, two hundred four thousand, two hundred twenty-two".