2281238330746 has 4 divisors (see below), whose sum is σ = 3421857496122. Its totient is φ = 1140619165372.

The previous prime is 2281238330699. The next prime is 2281238330779. The reversal of 2281238330746 is 6470338321822.

2281238330746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2191995730521 + 89242600225 = 1480539^2 + 298735^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281238330746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570309582685 + ... + 570309582688.

Almost surely, 2^{2281238330746} is an apocalyptic number.

2281238330746 is a deficient number, since it is larger than the sum of its proper divisors (1140619165376).

2281238330746 is a wasteful number, since it uses less digits than its factorization.

2281238330746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140619165375.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 2281238330746 in words is "two trillion, two hundred eighty-one billion, two hundred thirty-eight million, three hundred thirty thousand, seven hundred forty-six".