22885544 has 32 divisors (see below), whose sum is σ = 47960640. Its totient is φ = 10147200.

The previous prime is 22885543. The next prime is 22885561. The reversal of 22885544 is 44558822.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22885498 and 22885507.

It is not an unprimeable number, because it can be changed into a prime (22885543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (1498770).

Almost surely, 2^22885544 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 22885544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23980320).

22885544 is an abundant number, since it is smaller than the sum of its proper divisors (25075096).

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

22885544 is a wasteful number, since it uses less digits than its factorization.

22885544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401 (or 6397 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 22885544 is about 4783.8837778525. The cubic root of 22885544 is about 283.9141775989.

The spelling of 22885544 in words is "twenty-two million, eight hundred eighty-five thousand, five hundred forty-four".