22463128 has 32 divisors (see below), whose sum is σ = 43211520. Its totient is φ = 10944000.

The previous prime is 22463123. The next prime is 22463131. The reversal of 22463128 is 82136422.

It is a junction number, because it is equal to n+sod(n) for n = 22463096 and 22463105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463123) 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 7 ways as a sum of consecutive naturals, for example, 93088 + ... + 93328.

It is an arithmetic number, because the mean of its divisors is an integer number (1350360).

Almost surely, 2^22463128 is an apocalyptic number.

It is an amenable number.

22463128 is a deficient number, since it is larger than the sum of its proper divisors (20748392).

22463128 is a wasteful number, since it uses less digits than its factorization.

22463128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 495 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 22463128 is about 4739.5282465663. The cubic root of 22463128 is about 282.1565115465.

The spelling of 22463128 in words is "twenty-two million, four hundred sixty-three thousand, one hundred twenty-eight".