22104252 has 36 divisors (see below), whose sum is σ = 57946616. Its totient is φ = 7367760.

The previous prime is 22104227. The next prime is 22104253. The reversal of 22104252 is 25240122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104253) 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 11 ways as a sum of consecutive naturals, for example, 10399 + ... + 12342.

Almost surely, 2^22104252 is an apocalyptic number.

It is an amenable number.

22104252 is an abundant number, since it is smaller than the sum of its proper divisors (35842364).

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

22104252 is a wasteful number, since it uses less digits than its factorization.

22104252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22760 (or 22746 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22104252 is about 4701.5159257414. The cubic root of 22104252 is about 280.6458391146.

Adding to 22104252 its reverse (25240122), we get a palindrome (47344374).

The spelling of 22104252 in words is "twenty-two million, one hundred four thousand, two hundred fifty-two".