2257200073 has 2 divisors, whose sum is σ = 2257200074. Its totient is φ = 2257200072.

The previous prime is 2257199999. The next prime is 2257200089. The reversal of 2257200073 is 3700027522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039696569 + 217503504 = 45163^2 + 14748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257200073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257200173) 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, 1128600036 + 1128600037.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600037).

Almost surely, 2^2257200073 is an apocalyptic number.

It is an amenable number.

2257200073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257200073 is an equidigital number, since it uses as much as digits as its factorization.

2257200073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2257200073 is about 47509.9997158493. Note that the first 3 decimals coincide. The cubic root of 2257200073 is about 1311.7669517235.

Adding to 2257200073 its reverse (3700027522), we get a palindrome (5957227595).

The spelling of 2257200073 in words is "two billion, two hundred fifty-seven million, two hundred thousand, seventy-three".