22440002244 has 72 divisors (see below), whose sum is σ = 60938254944. Its totient is φ = 6399993600.

The previous prime is 22440002201. The next prime is 22440002267. The reversal of 22440002244 is 44220004422.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429862 + ... + 479229.

It is an arithmetic number, because the mean of its divisors is an integer number (846364652).

Almost surely, 2^22440002244 is an apocalyptic number.

It is an amenable number.

22440002244 is an abundant number, since it is smaller than the sum of its proper divisors (38498252700).

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

22440002244 is a wasteful number, since it uses less digits than its factorization.

22440002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909137 (or 909124 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22440002244 its reverse (44220004422), we get a palindrome (66660006666).

The spelling of 22440002244 in words is "twenty-two billion, four hundred forty million, two thousand, two hundred forty-four".