2265843946 has 8 divisors (see below), whose sum is σ = 3598693380. Its totient is φ = 1066279488.

The previous prime is 2265843911. The next prime is 2265843947. The reversal of 2265843946 is 6493485622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2082918321 + 182925625 = 45639^2 + 13525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2265843946.

It is not an unprimeable number, because it can be changed into a prime (2265843947) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 33321201 + ... + 33321268.

Almost surely, 2^2265843946 is an apocalyptic number.

2265843946 is a deficient number, since it is larger than the sum of its proper divisors (1332849434).

2265843946 is a wasteful number, since it uses less digits than its factorization.

2265843946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66642488.

The product of its digits is 2488320, while the sum is 49.

The square root of 2265843946 is about 47600.8817775469. The cubic root of 2265843946 is about 1313.4392748818.

The spelling of 2265843946 in words is "two billion, two hundred sixty-five million, eight hundred forty-three thousand, nine hundred forty-six".