22442736 has 20 divisors (see below), whose sum is σ = 57977192. Its totient is φ = 7480896.

The previous prime is 22442731. The next prime is 22442747. The reversal of 22442736 is 63724422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442731) 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 3 ways as a sum of consecutive naturals, for example, 233731 + ... + 233826.

Almost surely, 2^22442736 is an apocalyptic number.

It is an amenable number.

22442736 is an abundant number, since it is smaller than the sum of its proper divisors (35534456).

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

22442736 is a wasteful number, since it uses less digits than its factorization.

22442736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467568 (or 467562 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 22442736 is about 4737.3764891552. The cubic root of 22442736 is about 282.0711052525.

The spelling of 22442736 in words is "twenty-two million, four hundred forty-two thousand, seven hundred thirty-six".