22343856 has 80 divisors (see below), whose sum is σ = 61972224. Its totient is φ = 6918912.

The previous prime is 22343843. The next prime is 22343857. The reversal of 22343856 is 65834322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22343857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40575 + ... + 41121.

Almost surely, 2^22343856 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 22343856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30986112).

22343856 is an abundant number, since it is smaller than the sum of its proper divisors (39628368).

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

22343856 is a wasteful number, since it uses less digits than its factorization.

22343856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 22343856 is about 4726.9288126647. The cubic root of 22343856 is about 281.6562382299.

The spelling of 22343856 in words is "twenty-two million, three hundred forty-three thousand, eight hundred fifty-six".