22810128 has 40 divisors (see below), whose sum is σ = 64284576. Its totient is φ = 6912000.

The previous prime is 22810121. The next prime is 22810129. The reversal of 22810128 is 82101822.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22810098 and 22810107.

It is not an unprimeable number, because it can be changed into a prime (22810121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21073 + ... + 22128.

Almost surely, 2^22810128 is an apocalyptic number.

It is an amenable number.

22810128 is an abundant number, since it is smaller than the sum of its proper divisors (41474448).

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

22810128 is a wasteful number, since it uses less digits than its factorization.

22810128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43223 (or 43217 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 22810128 is about 4775.9949748717. The cubic root of 22810128 is about 283.6019683652.

The spelling of 22810128 in words is "twenty-two million, eight hundred ten thousand, one hundred twenty-eight".