22815104844 has 144 divisors (see below), whose sum is σ = 63355751424. Its totient is φ = 6259242240.

The previous prime is 22815104831. The next prime is 22815104903. The reversal of 22815104844 is 44840151822.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11058157 + ... + 11060219.

It is an arithmetic number, because the mean of its divisors is an integer number (439970496).

Almost surely, 2^22815104844 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 22815104844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31677875712).

22815104844 is an abundant number, since it is smaller than the sum of its proper divisors (40540646580).

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

22815104844 is a wasteful number, since it uses less digits than its factorization.

22815104844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The spelling of 22815104844 in words is "twenty-two billion, eight hundred fifteen million, one hundred four thousand, eight hundred forty-four".