22648234 has 16 divisors (see below), whose sum is σ = 38896128. Its totient is φ = 9688752.

The previous prime is 22648201. The next prime is 22648237. The reversal of 22648234 is 43284622.

It is a junction number, because it is equal to n+sod(n) for n = 22648196 and 22648205.

It is not an unprimeable number, because it can be changed into a prime (22648237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (2431008).

Almost surely, 2^22648234 is an apocalyptic number.

22648234 is a deficient number, since it is larger than the sum of its proper divisors (16247894).

22648234 is a wasteful number, since it uses less digits than its factorization.

22648234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its digits is 18432, while the sum is 31.

The square root of 22648234 is about 4759.0160747785. The cubic root of 22648234 is about 282.9294233974.

The spelling of 22648234 in words is "twenty-two million, six hundred forty-eight thousand, two hundred thirty-four".