22438068 has 12 divisors (see below), whose sum is σ = 52355520. Its totient is φ = 7479352.

The previous prime is 22438067. The next prime is 22438081. The reversal of 22438068 is 86083422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438063) 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 3 ways as a sum of consecutive naturals, for example, 934908 + ... + 934931.

It is an arithmetic number, because the mean of its divisors is an integer number (4362960).

Almost surely, 2^22438068 is an apocalyptic number.

It is an amenable number.

22438068 is an abundant number, since it is smaller than the sum of its proper divisors (29917452).

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

22438068 is a wasteful number, since it uses less digits than its factorization.

22438068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869846 (or 1869844 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22438068 is about 4736.8837857815. The cubic root of 22438068 is about 282.0515473397.

The spelling of 22438068 in words is "twenty-two million, four hundred thirty-eight thousand, sixty-eight".