22364856 has 64 divisors (see below), whose sum is σ = 63475200. Its totient is φ = 7293024.

The previous prime is 22364851. The next prime is 22364869. The reversal of 22364856 is 65846322.

22364856 is a `hidden beast` number, since 2 + 2 + 3 + 648 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22364856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22364851) 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, 9051 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (991800).

Almost surely, 2^22364856 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 22364856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31737600).

22364856 is an abundant number, since it is smaller than the sum of its proper divisors (41110344).

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

22364856 is a wasteful number, since it uses less digits than its factorization.

22364856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2255 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22364856 is about 4729.1496064303. The cubic root of 22364856 is about 281.7444493390.

It can be divided in two parts, 22364 and 856, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22364856 in words is "twenty-two million, three hundred sixty-four thousand, eight hundred fifty-six".