22168452 has 24 divisors (see below), whose sum is σ = 51861600. Its totient is φ = 7370176.

The previous prime is 22168429. The next prime is 22168457. The reversal of 22168452 is 25486122.

It is not an unprimeable number, because it can be changed into a prime (22168457) 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, 2824 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (2160900).

Almost surely, 2^22168452 is an apocalyptic number.

It is an amenable number.

22168452 is an abundant number, since it is smaller than the sum of its proper divisors (29693148).

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

22168452 is a wasteful number, since it uses less digits than its factorization.

22168452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4833 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22168452 is about 4708.3385604691. The cubic root of 22168452 is about 280.9172808195.

The spelling of 22168452 in words is "twenty-two million, one hundred sixty-eight thousand, four hundred fifty-two".