2278236992 has 28 divisors (see below), whose sum is σ = 4523154276. Its totient is φ = 1138544640.

The previous prime is 2278236943. The next prime is 2278237007. The reversal of 2278236992 is 2996328722.

It can be written as a sum of positive squares in 2 ways, for example, as 2173051456 + 105185536 = 46616^2 + 10256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2278236992.

It is a congruent number.

It is an unprimeable number.

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, 137642 + ... + 153302.

Almost surely, 2^2278236992 is an apocalyptic number.

It is an amenable number.

2278236992 is a deficient number, since it is larger than the sum of its proper divisors (2244917284).

2278236992 is a wasteful number, since it uses less digits than its factorization.

2278236992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17946 (or 17936 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 2278236992 is about 47730.8809053426. The cubic root of 2278236992 is about 1315.8295434290.

The spelling of 2278236992 in words is "two billion, two hundred seventy-eight million, two hundred thirty-six thousand, nine hundred ninety-two".