22520852 has 24 divisors (see below), whose sum is σ = 43928640. Its totient is φ = 10039680.

The previous prime is 22520837. The next prime is 22520867. The reversal of 22520852 is 25802522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22520837) and next prime (22520867).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (1830360).

Almost surely, 2^22520852 is an apocalyptic number.

It is an amenable number.

22520852 is a deficient number, since it is larger than the sum of its proper divisors (21407788).

22520852 is a wasteful number, since it uses less digits than its factorization.

22520852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471 (or 17469 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22520852 is about 4745.6139750300. The cubic root of 22520852 is about 282.3979927738.

The spelling of 22520852 in words is "twenty-two million, five hundred twenty thousand, eight hundred fifty-two".