22916844 has 84 divisors (see below), whose sum is σ = 62432160. Its totient is φ = 7348320.

The previous prime is 22916837. The next prime is 22916849. The reversal of 22916844 is 44861922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22916799 and 22916808.

It is not an unprimeable number, because it can be changed into a prime (22916849) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 84429 + ... + 84699.

It is an arithmetic number, because the mean of its divisors is an integer number (743240).

Almost surely, 2^22916844 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 22916844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31216080).

22916844 is an abundant number, since it is smaller than the sum of its proper divisors (39515316).

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

22916844 is a wasteful number, since it uses less digits than its factorization.

22916844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22916844 is about 4787.1540606085. The cubic root of 22916844 is about 284.0435527996.

The spelling of 22916844 in words is "twenty-two million, nine hundred sixteen thousand, eight hundred forty-four".