22440042884 has 24 divisors (see below), whose sum is σ = 44883968640. Its totient is φ = 9616329216.

The previous prime is 22440042883. The next prime is 22440042893. The reversal of 22440042884 is 48824004422.

It is not an unprimeable number, because it can be changed into a prime (22440042883) 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, 383057 + ... + 437735.

It is an arithmetic number, because the mean of its divisors is an integer number (1870165360).

Almost surely, 2^22440042884 is an apocalyptic number.

It is an amenable number.

22440042884 is an abundant number, since it is smaller than the sum of its proper divisors (22443925756).

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

22440042884 is a wasteful number, since it uses less digits than its factorization.

22440042884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69347 (or 69345 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 38.

The spelling of 22440042884 in words is "twenty-two billion, four hundred forty million, forty-two thousand, eight hundred eighty-four".