22393128 has 16 divisors (see below), whose sum is σ = 55982880. Its totient is φ = 7464368.

The previous prime is 22393123. The next prime is 22393141. The reversal of 22393128 is 82139322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22393095 and 22393104.

It is not an unprimeable number, because it can be changed into a prime (22393123) 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 3 ways as a sum of consecutive naturals, for example, 466500 + ... + 466547.

It is an arithmetic number, because the mean of its divisors is an integer number (3498930).

Almost surely, 2^22393128 is an apocalyptic number.

It is an amenable number.

22393128 is an abundant number, since it is smaller than the sum of its proper divisors (33589752).

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

22393128 is a wasteful number, since it uses less digits than its factorization.

22393128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933056 (or 933052 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 22393128 is about 4732.1377832857. The cubic root of 22393128 is about 281.8631195265.

The spelling of 22393128 in words is "twenty-two million, three hundred ninety-three thousand, one hundred twenty-eight".