22107242 has 8 divisors (see below), whose sum is σ = 35111556. Its totient is φ = 10403392.

The previous prime is 22107223. The next prime is 22107269. The reversal of 22107242 is 24270122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22005481 + 101761 = 4691^2 + 319^2 .

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

It is an unprimeable number.

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, 325073 + ... + 325140.

Almost surely, 2^22107242 is an apocalyptic number.

22107242 is a deficient number, since it is larger than the sum of its proper divisors (13004314).

22107242 is a wasteful number, since it uses less digits than its factorization.

22107242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650232.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22107242 is about 4701.8338975340. The cubic root of 22107242 is about 280.6584926865.

Adding to 22107242 its reverse (24270122), we get a palindrome (46377364).

The spelling of 22107242 in words is "twenty-two million, one hundred seven thousand, two hundred forty-two".