2812147229 has 2 divisors, whose sum is σ = 2812147230. Its totient is φ = 2812147228.

The previous prime is 2812147189. The next prime is 2812147241. The reversal of 2812147229 is 9227412182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2724631204 + 87516025 = 52198^2 + 9355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812147229 - 2¹² = 2812143133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2812147192 and 2812147201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2812147529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406073614 + 1406073615.

It is an arithmetic number, because the mean of its divisors is an integer number (1406073615).

Almost surely, 2^2812147229 is an apocalyptic number.

It is an amenable number.

2812147229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812147229 is an equidigital number, since it uses as much as digits as its factorization.

2812147229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 2812147229 is about 53029.6825278070. The cubic root of 2812147229 is about 1411.4950239257.

The spelling of 2812147229 in words is "two billion, eight hundred twelve million, one hundred forty-seven thousand, two hundred twenty-nine".