2243405042 has 8 divisors (see below), whose sum is σ = 3372880476. Its totient is φ = 1119111552.

The previous prime is 2243405033. The next prime is 2243405057. The reversal of 2243405042 is 2405043422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1756364281 + 487040761 = 41909^2 + 22069^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294403 + ... + 1296134.

Almost surely, 2^2243405042 is an apocalyptic number.

2243405042 is a deficient number, since it is larger than the sum of its proper divisors (1129475434).

2243405042 is a wasteful number, since it uses less digits than its factorization.

2243405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590972.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2243405042 is about 47364.5969263964. The cubic root of 2243405042 is about 1309.0891716479.

Adding to 2243405042 its reverse (2405043422), we get a palindrome (4648448464).

The spelling of 2243405042 in words is "two billion, two hundred forty-three million, four hundred five thousand, forty-two".