22123168 has 12 divisors (see below), whose sum is σ = 43555050. Its totient is φ = 11061568.

The previous prime is 22123133. The next prime is 22123169. The reversal of 22123168 is 86132122.

It can be written as a sum of positive squares in only one way, i.e., 17405584 + 4717584 = 4172^2 + 2172^2 .

It is not an unprimeable number, because it can be changed into a prime (22123169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345643 + ... + 345706.

Almost surely, 2^22123168 is an apocalyptic number.

It is an amenable number.

22123168 is a deficient number, since it is larger than the sum of its proper divisors (21431882).

22123168 is an equidigital number, since it uses as much as digits as its factorization.

22123168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691359 (or 691351 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 22123168 is about 4703.5271871224. The cubic root of 22123168 is about 280.7258717268.

The spelling of 22123168 in words is "twenty-two million, one hundred twenty-three thousand, one hundred sixty-eight".