22221432404204 has 96 divisors (see below), whose sum is σ = 44147249233920. Its totient is φ = 9699382440000.

The previous prime is 22221432404177. The next prime is 22221432404219. The reversal of 22221432404204 is 40240423412222.

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 31 ways as a sum of consecutive naturals, for example, 34458077 + ... + 35097035.

It is an arithmetic number, because the mean of its divisors is an integer number (459867179520).

Almost surely, 2^{22221432404204} is an apocalyptic number.

It is an amenable number.

22221432404204 is a deficient number, since it is larger than the sum of its proper divisors (21925816829716).

22221432404204 is a wasteful number, since it uses less digits than its factorization.

22221432404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639339 (or 639337 counting only the distinct ones).

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

Adding to 22221432404204 its reverse (40240423412222), we get a palindrome (62461855816426).

The spelling of 22221432404204 in words is "twenty-two trillion, two hundred twenty-one billion, four hundred thirty-two million, four hundred four thousand, two hundred four".