22302128 has 10 divisors (see below), whose sum is σ = 43210404. Its totient is φ = 11151056.

The previous prime is 22302109. The next prime is 22302139. The reversal of 22302128 is 82120322.

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, 696926 + ... + 696957.

Almost surely, 2^22302128 is an apocalyptic number.

It is an amenable number.

22302128 is a deficient number, since it is larger than the sum of its proper divisors (20908276).

22302128 is a wasteful number, since it uses less digits than its factorization.

22302128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393891 (or 1393885 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22302128 is about 4722.5128904006. The cubic root of 22302128 is about 281.4807943932.

The spelling of 22302128 in words is "twenty-two million, three hundred two thousand, one hundred twenty-eight".