244520242 has 4 divisors (see below), whose sum is σ = 366780366. Its totient is φ = 122260120.

The previous prime is 244520233. The next prime is 244520251. The reversal of 244520242 is 242025442.

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

It is an interprime number because it is at equal distance from previous prime (244520233) and next prime (244520251).

It can be written as a sum of positive squares in only one way, i.e., 172423161 + 72097081 = 13131^2 + 8491^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61130059 + ... + 61130062.

Almost surely, 2^244520242 is an apocalyptic number.

244520242 is a deficient number, since it is larger than the sum of its proper divisors (122260124).

244520242 is a wasteful number, since it uses less digits than its factorization.

244520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122260123.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 244520242 is about 15637.1430255018. The cubic root of 244520242 is about 625.3237720857.

Adding to 244520242 its reverse (242025442), we get a palindrome (486545684).

The spelling of 244520242 in words is "two hundred forty-four million, five hundred twenty thousand, two hundred forty-two".