2273787812 has 12 divisors (see below), whose sum is σ = 3999747276. Its totient is φ = 1131002880.

The previous prime is 2273787809. The next prime is 2273787823. The reversal of 2273787812 is 2187873722.

It can be written as a sum of positive squares in 2 ways, for example, as 1621189696 + 652598116 = 40264^2 + 25546^2 .

It is a super-2 number, since 2×2273787812² = 10340222027999494688, which contains 22 as substring.

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, 1471889 + ... + 1473432.

It is an arithmetic number, because the mean of its divisors is an integer number (333312273).

Almost surely, 2^2273787812 is an apocalyptic number.

It is an amenable number.

2273787812 is a deficient number, since it is larger than the sum of its proper divisors (1725959464).

2273787812 is a wasteful number, since it uses less digits than its factorization.

2273787812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945518 (or 2945516 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The square root of 2273787812 is about 47684.2511947079. The cubic root of 2273787812 is about 1314.9724219423.

The spelling of 2273787812 in words is "two billion, two hundred seventy-three million, seven hundred eighty-seven thousand, eight hundred twelve".