22680242 has 8 divisors (see below), whose sum is σ = 36637356. Its totient is φ = 10467792.

The previous prime is 22680241. The next prime is 22680247. The reversal of 22680242 is 24208622.

It can be written as a sum of positive squares in 2 ways, for example, as 22572001 + 108241 = 4751^2 + 329^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 872317 = 22680242 / (2 + 2 + 6 + 8 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (22680241) 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, 436133 + ... + 436184.

Almost surely, 2^22680242 is an apocalyptic number.

22680242 is a deficient number, since it is larger than the sum of its proper divisors (13957114).

22680242 is a wasteful number, since it uses less digits than its factorization.

22680242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872332.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22680242 is about 4762.3777674603. The cubic root of 22680242 is about 283.0626455896.

Adding to 22680242 its reverse (24208622), we get a palindrome (46888864).

It can be divided in two parts, 22680 and 242, that added together give a palindrome (22922).

The spelling of 22680242 in words is "twenty-two million, six hundred eighty thousand, two hundred forty-two".