22452252 has 12 divisors (see below), whose sum is σ = 52388616. Its totient is φ = 7484080.

The previous prime is 22452251. The next prime is 22452289. The reversal of 22452252 is 25225422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452251) 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 3 ways as a sum of consecutive naturals, for example, 935499 + ... + 935522.

It is an arithmetic number, because the mean of its divisors is an integer number (4365718).

Almost surely, 2^22452252 is an apocalyptic number.

It is an amenable number.

22452252 is an abundant number, since it is smaller than the sum of its proper divisors (29936364).

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

22452252 is a wasteful number, since it uses less digits than its factorization.

22452252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871028 (or 1871026 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22452252 is about 4738.3807360743. The cubic root of 22452252 is about 282.1109668414.

Adding to 22452252 its reverse (25225422), we get a palindrome (47677674).

The spelling of 22452252 in words is "twenty-two million, four hundred fifty-two thousand, two hundred fifty-two".