22209248 has 12 divisors (see below), whose sum is σ = 43724520. Its totient is φ = 11104608.

The previous prime is 22209211. The next prime is 22209251. The reversal of 22209248 is 84290222.

It is a self number, because there is not a number n which added to its sum of digits gives 22209248.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 346988 + ... + 347051.

It is an arithmetic number, because the mean of its divisors is an integer number (3643710).

Almost surely, 2^22209248 is an apocalyptic number.

It is an amenable number.

22209248 is a deficient number, since it is larger than the sum of its proper divisors (21515272).

22209248 is an equidigital number, since it uses as much as digits as its factorization.

22209248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694049 (or 694041 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22209248 is about 4712.6688829155. The cubic root of 22209248 is about 281.0894967015.

The spelling of 22209248 in words is "twenty-two million, two hundred nine thousand, two hundred forty-eight".