22404440016 has 60 divisors (see below), whose sum is σ = 71658648672. Its totient is φ = 6401268288.

The previous prime is 22404439997. The next prime is 22404440077. The reversal of 22404440016 is 61004440422.

It is a happy number.

22404440016 is a `hidden beast` number, since 2 + 240 + 4 + 4 + 400 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11112306 + ... + 11114321.

Almost surely, 2^22404440016 is an apocalyptic number.

It is an amenable number.

22404440016 is an abundant number, since it is smaller than the sum of its proper divisors (49254208656).

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

22404440016 is a wasteful number, since it uses less digits than its factorization.

22404440016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226648 (or 22226639 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22404440016 its reverse (61004440422), we get a palindrome (83408880438).

The spelling of 22404440016 in words is "twenty-two billion, four hundred four million, four hundred forty thousand, sixteen".