2227232809 has 2 divisors, whose sum is σ = 2227232810. Its totient is φ = 2227232808.

The previous prime is 2227232771. The next prime is 2227232837. The reversal of 2227232809 is 9082327222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1278777600 + 948455209 = 35760^2 + 30797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227232809 - 2¹⁹ = 2226708521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2227232879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113616404 + 1113616405.

It is an arithmetic number, because the mean of its divisors is an integer number (1113616405).

Almost surely, 2^2227232809 is an apocalyptic number.

It is an amenable number.

2227232809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227232809 is an equidigital number, since it uses as much as digits as its factorization.

2227232809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2227232809 is about 47193.5674536266. The cubic root of 2227232809 is about 1305.9359333642.

The spelling of 2227232809 in words is "two billion, two hundred twenty-seven million, two hundred thirty-two thousand, eight hundred nine".