22821852 has 24 divisors (see below), whose sum is σ = 53398800. Its totient is φ = 7586176.

The previous prime is 22821847. The next prime is 22821901. The reversal of 22821852 is 25812822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224 + ... + 7112.

It is an arithmetic number, because the mean of its divisors is an integer number (2224950).

Almost surely, 2^22821852 is an apocalyptic number.

It is an amenable number.

22821852 is an abundant number, since it is smaller than the sum of its proper divisors (30576948).

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

22821852 is a wasteful number, since it uses less digits than its factorization.

22821852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285 (or 5283 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 22821852 is about 4777.2222054244. Note that the first 4 decimals coincide. The cubic root of 22821852 is about 283.6505488318.

The spelling of 22821852 in words is "twenty-two million, eight hundred twenty-one thousand, eight hundred fifty-two".