22545852 has 24 divisors (see below), whose sum is σ = 60122496. Its totient is φ = 6441648.

The previous prime is 22545851. The next prime is 22545857. The reversal of 22545852 is 25854522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545851) 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 7 ways as a sum of consecutive naturals, for example, 134118 + ... + 134285.

It is an arithmetic number, because the mean of its divisors is an integer number (2505104).

Almost surely, 2^22545852 is an apocalyptic number.

It is an amenable number.

22545852 is an abundant number, since it is smaller than the sum of its proper divisors (37576644).

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

22545852 is a wasteful number, since it uses less digits than its factorization.

22545852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268417 (or 268415 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 22545852 is about 4748.2472555670. The cubic root of 22545852 is about 282.5024491395.

The spelling of 22545852 in words is "twenty-two million, five hundred forty-five thousand, eight hundred fifty-two".