22881852 has 168 divisors, whose sum is σ = 73449600. Its totient is φ = 6088608.

The previous prime is 22881851. The next prime is 22881863. The reversal of 22881852 is 25818822.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22881851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 387799 + ... + 387857.

It is an arithmetic number, because the mean of its divisors is an integer number (437200).

Almost surely, 2^22881852 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 22881852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36724800).

22881852 is an abundant number, since it is smaller than the sum of its proper divisors (50567748).

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

22881852 is a wasteful number, since it uses less digits than its factorization.

22881852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 90 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 22881852 is about 4783.4978833485. The cubic root of 22881852 is about 283.8989093358.

The spelling of 22881852 in words is "twenty-two million, eight hundred eighty-one thousand, eight hundred fifty-two".