2238630211 has 2 divisors, whose sum is σ = 2238630212. Its totient is φ = 2238630210.

The previous prime is 2238630161. The next prime is 2238630221. The reversal of 2238630211 is 1120368322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2238630211 - 2⁹ = 2238629699 is a prime.

It is a super-2 number, since 2×2238630211² = 10022930443203809042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2238630211.

It is not a weakly prime, because it can be changed into another prime (2238630221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119315105 + 1119315106.

It is an arithmetic number, because the mean of its divisors is an integer number (1119315106).

Almost surely, 2^2238630211 is an apocalyptic number.

2238630211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238630211 is an equidigital number, since it uses as much as digits as its factorization.

2238630211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2238630211 is about 47314.1650142957. The cubic root of 2238630211 is about 1308.1597631058.

Adding to 2238630211 its reverse (1120368322), we get a palindrome (3358998533).

The spelling of 2238630211 in words is "two billion, two hundred thirty-eight million, six hundred thirty thousand, two hundred eleven".