2443220242 has 4 divisors (see below), whose sum is σ = 3664830366. Its totient is φ = 1221610120.

The previous prime is 2443220233. The next prime is 2443220243. The reversal of 2443220242 is 2420223442.

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., 2142856681 + 300363561 = 46291^2 + 17331^2 .

It is not an unprimeable number, because it can be changed into a prime (2443220243) 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, 610805059 + ... + 610805062.

Almost surely, 2^2443220242 is an apocalyptic number.

2443220242 is a deficient number, since it is larger than the sum of its proper divisors (1221610124).

2443220242 is a wasteful number, since it uses less digits than its factorization.

2443220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221610123.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2443220242 is about 49428.9413400692. The cubic root of 2443220242 is about 1346.8550922365.

Adding to 2443220242 its reverse (2420223442), we get a palindrome (4863443684).

The spelling of 2443220242 in words is "two billion, four hundred forty-three million, two hundred twenty thousand, two hundred forty-two".