2147285236 has 6 divisors (see below), whose sum is σ = 3757749170. Its totient is φ = 1073642616.

The previous prime is 2147285219. The next prime is 2147285297. The reversal of 2147285236 is 6325827412.

It can be written as a sum of positive squares in only one way, i.e., 1343222500 + 804062736 = 36650^2 + 28356^2 .

It is a super-2 number, since 2×2147285236² = 9221667769487151392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268410651 + ... + 268410658.

Almost surely, 2^2147285236 is an apocalyptic number.

It is an amenable number.

2147285236 is a deficient number, since it is larger than the sum of its proper divisors (1610463934).

2147285236 is a wasteful number, since it uses less digits than its factorization.

2147285236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536821313 (or 536821311 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 2147285236 is about 46338.8091776213. The cubic root of 2147285236 is about 1290.1194200684.

The spelling of 2147285236 in words is "two billion, one hundred forty-seven million, two hundred eighty-five thousand, two hundred thirty-six".