22024968644 has 72 divisors (see below), whose sum is σ = 47765662560. Its totient is φ = 8834603904.

The previous prime is 22024968631. The next prime is 22024968649. The reversal of 22024968644 is 44686942022.

It is not an unprimeable number, because it can be changed into a prime (22024968649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273464 + ... + 344720.

It is an arithmetic number, because the mean of its divisors is an integer number (663411980).

Almost surely, 2^22024968644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22024968644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23882831280).

22024968644 is an abundant number, since it is smaller than the sum of its proper divisors (25740693916).

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

22024968644 is a wasteful number, since it uses less digits than its factorization.

22024968644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71377 (or 71368 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 22024968644 in words is "twenty-two billion, twenty-four million, nine hundred sixty-eight thousand, six hundred forty-four".