22040000844 has 24 divisors (see below), whose sum is σ = 51437051568. Its totient is φ = 7345183680.

The previous prime is 22040000821. The next prime is 22040000867. The reversal of 22040000844 is 44800004022.

It is an interprime number because it is at equal distance from previous prime (22040000821) and next prime (22040000867).

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, 122647 + ... + 243150.

It is an arithmetic number, because the mean of its divisors is an integer number (2143210482).

Almost surely, 2^22040000844 is an apocalyptic number.

It is an amenable number.

22040000844 is an abundant number, since it is smaller than the sum of its proper divisors (29397050724).

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

22040000844 is a wasteful number, since it uses less digits than its factorization.

22040000844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370825 (or 370823 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22040000844 its reverse (44800004022), we get a palindrome (66840004866).

The spelling of 22040000844 in words is "twenty-two billion, forty million, eight hundred forty-four", and thus it is an aban number.