22105448 has 32 divisors (see below), whose sum is σ = 42369600. Its totient is φ = 10810368.

The previous prime is 22105441. The next prime is 22105459. The reversal of 22105448 is 84450122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105441) 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, 114440 + ... + 114632.

It is an arithmetic number, because the mean of its divisors is an integer number (1324050).

Almost surely, 2^22105448 is an apocalyptic number.

It is an amenable number.

22105448 is a deficient number, since it is larger than the sum of its proper divisors (20264152).

22105448 is a wasteful number, since it uses less digits than its factorization.

22105448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22105448 is about 4701.6431170390. The cubic root of 22105448 is about 280.6509006803.

The spelling of 22105448 in words is "twenty-two million, one hundred five thousand, four hundred forty-eight".