22328856 has 96 divisors (see below), whose sum is σ = 66802320. Its totient is φ = 6737280.

The previous prime is 22328851. The next prime is 22328879. The reversal of 22328856 is 65882322.

It is a super-3 number, since 3×22328856³ (a number of 23 digits) contains 333 as substring.

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 22328856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22328851) 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 23 ways as a sum of consecutive naturals, for example, 95716 + ... + 95948.

Almost surely, 2^22328856 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 22328856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33401160).

22328856 is an abundant number, since it is smaller than the sum of its proper divisors (44473464).

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

22328856 is a wasteful number, since it uses less digits than its factorization.

22328856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 249 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22328856 is about 4725.3418923925. The cubic root of 22328856 is about 281.5931964502.

The spelling of 22328856 in words is "twenty-two million, three hundred twenty-eight thousand, eight hundred fifty-six".