24242242 has 4 divisors (see below), whose sum is σ = 36363366. Its totient is φ = 12121120.

The previous prime is 24242219. The next prime is 24242243. The reversal of 24242242 is 24224242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 3530641 = 4551^2 + 1879^2 .

It is not an unprimeable number, because it can be changed into a prime (24242243) 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 as a sum of consecutive naturals, namely, 6060559 + ... + 6060562.

Almost surely, 2^24242242 is an apocalyptic number.

24242242 is a deficient number, since it is larger than the sum of its proper divisors (12121124).

24242242 is a wasteful number, since it uses less digits than its factorization.

24242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121123.

The product of its digits is 2048, while the sum is 22.

The square root of 24242242 is about 4923.6411323329. The cubic root of 24242242 is about 289.4171488130.

Adding to 24242242 its reverse (24224242), we get a palindrome (48466484).

The spelling of 24242242 in words is "twenty-four million, two hundred forty-two thousand, two hundred forty-two".