2044442242 has 4 divisors (see below), whose sum is σ = 3066663366. Its totient is φ = 1022221120.

The previous prime is 2044442227. The next prime is 2044442243. The reversal of 2044442242 is 2422444402.

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., 1653154281 + 391287961 = 40659^2 + 19781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2044442242.

It is not an unprimeable number, because it can be changed into a prime (2044442243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110559 + ... + 511110562.

Almost surely, 2^2044442242 is an apocalyptic number.

2044442242 is a deficient number, since it is larger than the sum of its proper divisors (1022221124).

2044442242 is a wasteful number, since it uses less digits than its factorization.

2044442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022221123.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2044442242 is about 45215.5088658748. The cubic root of 2044442242 is about 1269.1850522182.

Adding to 2044442242 its reverse (2422444402), we get a palindrome (4466886644).

The spelling of 2044442242 in words is "two billion, forty-four million, four hundred forty-two thousand, two hundred forty-two".