2237245897 has 2 divisors, whose sum is σ = 2237245898. Its totient is φ = 2237245896.

The previous prime is 2237245889. The next prime is 2237245921. The reversal of 2237245897 is 7985427322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1778814976 + 458430921 = 42176^2 + 21411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2237245897 - 2³ = 2237245889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2237245897.

It is not a weakly prime, because it can be changed into another prime (2237245807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118622948 + 1118622949.

It is an arithmetic number, because the mean of its divisors is an integer number (1118622949).

Almost surely, 2^2237245897 is an apocalyptic number.

It is an amenable number.

2237245897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237245897 is an equidigital number, since it uses as much as digits as its factorization.

2237245897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 2237245897 is about 47299.5337926284. The cubic root of 2237245897 is about 1307.8900628718.

The spelling of 2237245897 in words is "two billion, two hundred thirty-seven million, two hundred forty-five thousand, eight hundred ninety-seven".