24220224644 has 24 divisors (see below), whose sum is σ = 52844127168. Its totient is φ = 9436451040.

The previous prime is 24220224631. The next prime is 24220224703. The reversal of 24220224644 is 44642202242.

It is a self number, because there is not a number n which added to its sum of digits gives 24220224644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39318239 + ... + 39318854.

It is an arithmetic number, because the mean of its divisors is an integer number (2201838632).

Almost surely, 2^24220224644 is an apocalyptic number.

It is an amenable number.

24220224644 is an abundant number, since it is smaller than the sum of its proper divisors (28623902524).

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

24220224644 is a wasteful number, since it uses less digits than its factorization.

24220224644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78637115 (or 78637113 counting only the distinct ones).

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

Adding to 24220224644 its reverse (44642202242), we get a palindrome (68862426886).

The spelling of 24220224644 in words is "twenty-four billion, two hundred twenty million, two hundred twenty-four thousand, six hundred forty-four".