22448508 has 12 divisors (see below), whose sum is σ = 52379880. Its totient is φ = 7482832.

The previous prime is 22448507. The next prime is 22448527. The reversal of 22448508 is 80584422.

It is a happy number.

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

It is a super-2 number, since 2×22448508² = 1007871022852128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448507) 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, 935343 + ... + 935366.

It is an arithmetic number, because the mean of its divisors is an integer number (4364990).

Almost surely, 2^22448508 is an apocalyptic number.

It is an amenable number.

22448508 is an abundant number, since it is smaller than the sum of its proper divisors (29931372).

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

22448508 is a wasteful number, since it uses less digits than its factorization.

22448508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870716 (or 1870714 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 22448508 is about 4737.9856479310. The cubic root of 22448508 is about 282.0952849375.

The spelling of 22448508 in words is "twenty-two million, four hundred forty-eight thousand, five hundred eight".