22398008 has 8 divisors (see below), whose sum is σ = 41996280. Its totient is φ = 11199000.

The previous prime is 22397983. The next prime is 22398011. The reversal of 22398008 is 80089322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1399868 + ... + 1399883.

It is an arithmetic number, because the mean of its divisors is an integer number (5249535).

Almost surely, 2^22398008 is an apocalyptic number.

It is an amenable number.

22398008 is a deficient number, since it is larger than the sum of its proper divisors (19598272).

22398008 is a wasteful number, since it uses less digits than its factorization.

22398008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799757 (or 2799753 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 22398008 is about 4732.6533783914. The cubic root of 22398008 is about 281.8835929521.

The spelling of 22398008 in words is "twenty-two million, three hundred ninety-eight thousand, eight".