22204404436 has 24 divisors (see below), whose sum is σ = 39130898240. Its totient is φ = 11024208000.

The previous prime is 22204404433. The next prime is 22204404437. The reversal of 22204404436 is 63440440222.

It is a junction number, because it is equal to n+sod(n) for n = 22204404398 and 22204404407.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879195 + ... + 1890973.

Almost surely, 2^22204404436 is an apocalyptic number.

It is an amenable number.

22204404436 is a deficient number, since it is larger than the sum of its proper divisors (16926493804).

22204404436 is a wasteful number, since it uses less digits than its factorization.

22204404436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055 (or 15053 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 22204404436 its reverse (63440440222), we get a palindrome (85644844658).

The spelling of 22204404436 in words is "twenty-two billion, two hundred four million, four hundred four thousand, four hundred thirty-six".