22814436 has 48 divisors (see below), whose sum is σ = 56060928. Its totient is φ = 7207200.

The previous prime is 22814423. The next prime is 22814437. The reversal of 22814436 is 63441822.

It is not an unprimeable number, because it can be changed into a prime (22814437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35841 + ... + 36471.

It is an arithmetic number, because the mean of its divisors is an integer number (1167936).

Almost surely, 2^22814436 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 22814436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28030464).

22814436 is an abundant number, since it is smaller than the sum of its proper divisors (33246492).

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

22814436 is a wasteful number, since it uses less digits than its factorization.

22814436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22814436 is about 4776.4459590788. The cubic root of 22814436 is about 283.6198212589.

The spelling of 22814436 in words is "twenty-two million, eight hundred fourteen thousand, four hundred thirty-six".