22844916 has 72 divisors (see below), whose sum is σ = 63088480. Its totient is φ = 7208352.

The previous prime is 22844909. The next prime is 22844929. The reversal of 22844916 is 61944822.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17850 + ... + 19086.

Almost surely, 2^22844916 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 22844916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31544240).

22844916 is an abundant number, since it is smaller than the sum of its proper divisors (40243564).

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

22844916 is a wasteful number, since it uses less digits than its factorization.

22844916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1261 counting only the distinct ones).

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

The square root of 22844916 is about 4779.6355509599. The cubic root of 22844916 is about 283.7460700550.

The spelling of 22844916 in words is "twenty-two million, eight hundred forty-four thousand, nine hundred sixteen".