2228187697 has 2 divisors, whose sum is σ = 2228187698. Its totient is φ = 2228187696.

The previous prime is 2228187673. The next prime is 2228187737. The reversal of 2228187697 is 7967818222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1744231696 + 483956001 = 41764^2 + 21999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228187697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228187197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114093848 + 1114093849.

It is an arithmetic number, because the mean of its divisors is an integer number (1114093849).

Almost surely, 2^2228187697 is an apocalyptic number.

It is an amenable number.

2228187697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228187697 is an equidigital number, since it uses as much as digits as its factorization.

2228187697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The square root of 2228187697 is about 47203.6830872338. The cubic root of 2228187697 is about 1306.1225392690.

The spelling of 2228187697 in words is "two billion, two hundred twenty-eight million, one hundred eighty-seven thousand, six hundred ninety-seven".