4427228137 has 2 divisors, whose sum is σ = 4427228138. Its totient is φ = 4427228136.

The previous prime is 4427228123. The next prime is 4427228147. The reversal of 4427228137 is 7318227244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845984256 + 581243881 = 62016^2 + 24109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4427228137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4427228137.

It is not a weakly prime, because it can be changed into another prime (4427228147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213614068 + 2213614069.

It is an arithmetic number, because the mean of its divisors is an integer number (2213614069).

Almost surely, 2^4427228137 is an apocalyptic number.

It is an amenable number.

4427228137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427228137 is an equidigital number, since it uses as much as digits as its factorization.

4427228137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 4427228137 is about 66537.4190737813. The cubic root of 4427228137 is about 1642.0156825016.

The spelling of 4427228137 in words is "four billion, four hundred twenty-seven million, two hundred twenty-eight thousand, one hundred thirty-seven".