2234728817 has 2 divisors, whose sum is σ = 2234728818. Its totient is φ = 2234728816.

The previous prime is 2234728813. The next prime is 2234728823. The reversal of 2234728817 is 7188274322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187339361 + 47389456 = 46769^2 + 6884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234728817 - 2² = 2234728813 is a prime.

It is not a weakly prime, because it can be changed into another prime (2234728813) 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 as a sum of consecutive naturals, namely, 1117364408 + 1117364409.

It is an arithmetic number, because the mean of its divisors is an integer number (1117364409).

Almost surely, 2^2234728817 is an apocalyptic number.

It is an amenable number.

2234728817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234728817 is an equidigital number, since it uses as much as digits as its factorization.

2234728817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 2234728817 is about 47272.9184311694. The cubic root of 2234728817 is about 1307.3993852776.

The spelling of 2234728817 in words is "two billion, two hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred seventeen".