22445252 has 12 divisors (see below), whose sum is σ = 39945360. Its totient is φ = 11032296.

The previous prime is 22445249. The next prime is 22445257. The reversal of 22445252 is 25254422.

It is not an unprimeable number, because it can be changed into a prime (22445257) 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 3 ways as a sum of consecutive naturals, for example, 47318 + ... + 47789.

It is an arithmetic number, because the mean of its divisors is an integer number (3328780).

Almost surely, 2^22445252 is an apocalyptic number.

It is an amenable number.

22445252 is a deficient number, since it is larger than the sum of its proper divisors (17500108).

22445252 is a wasteful number, since it uses less digits than its factorization.

22445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95170 (or 95168 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 22445252 is about 4737.6420295333. The cubic root of 22445252 is about 282.0816456249.

Adding to 22445252 its reverse (25254422), we get a palindrome (47699674).

The spelling of 22445252 in words is "twenty-two million, four hundred forty-five thousand, two hundred fifty-two".