22204404438 has 16 divisors (see below), whose sum is σ = 44410443456. Its totient is φ = 7401195720.

The previous prime is 22204404437. The next prime is 22204404449. The reversal of 22204404438 is 83440440222.

It is a junction number, because it is equal to n+sod(n) for n = 22204404399 and 22204404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204404433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175533 + ... + 274263.

It is an arithmetic number, because the mean of its divisors is an integer number (2775652716).

Almost surely, 2^22204404438 is an apocalyptic number.

22204404438 is an abundant number, since it is smaller than the sum of its proper divisors (22206039018).

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

22204404438 is a wasteful number, since it uses less digits than its factorization.

22204404438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136219.

The product of its (nonzero) digits is 49152, while the sum is 33.

The spelling of 22204404438 in words is "twenty-two billion, two hundred four million, four hundred four thousand, four hundred thirty-eight".