22481338 has 8 divisors (see below), whose sum is σ = 36787680. Its totient is φ = 10218780.

The previous prime is 22481321. The next prime is 22481339. The reversal of 22481338 is 83318422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22481339) 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, 510918 + ... + 510961.

It is an arithmetic number, because the mean of its divisors is an integer number (4598460).

Almost surely, 2^22481338 is an apocalyptic number.

22481338 is a deficient number, since it is larger than the sum of its proper divisors (14306342).

22481338 is a wasteful number, since it uses less digits than its factorization.

22481338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021892.

The product of its digits is 9216, while the sum is 31.

The square root of 22481338 is about 4741.4489346612. The cubic root of 22481338 is about 282.2327354557.

The spelling of 22481338 in words is "twenty-two million, four hundred eighty-one thousand, three hundred thirty-eight".