22823856 has 100 divisors (see below), whose sum is σ = 72109224. Its totient is φ = 6912000.

The previous prime is 22823851. The next prime is 22823861. The reversal of 22823856 is 65832822.

It is an interprime number because it is at equal distance from previous prime (22823851) and next prime (22823861).

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 22823856.

It is not an unprimeable number, because it can be changed into a prime (22823851) 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 19 ways as a sum of consecutive naturals, for example, 13456 + ... + 15056.

Almost surely, 2^22823856 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 22823856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36054612).

22823856 is an abundant number, since it is smaller than the sum of its proper divisors (49285368).

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

22823856 is a wasteful number, since it uses less digits than its factorization.

22823856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1617 counting only the distinct ones).

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

The square root of 22823856 is about 4777.4319461401. The cubic root of 22823856 is about 283.6588510950.

The spelling of 22823856 in words is "twenty-two million, eight hundred twenty-three thousand, eight hundred fifty-six".