228312107 has 2 divisors, whose sum is σ = 228312108. Its totient is φ = 228312106.

The previous prime is 228312061. The next prime is 228312109. The reversal of 228312107 is 701213822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228312107 - 2⁶ = 228312043 is a prime.

Together with 228312109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228312109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114156053 + 114156054.

It is an arithmetic number, because the mean of its divisors is an integer number (114156054).

Almost surely, 2^228312107 is an apocalyptic number.

228312107 is a deficient number, since it is larger than the sum of its proper divisors (1).

228312107 is an equidigital number, since it uses as much as digits as its factorization.

228312107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 228312107 is about 15110.0002316347. Note that the first 3 decimals coincide. The cubic root of 228312107 is about 611.1901042706.

Adding to 228312107 its reverse (701213822), we get a palindrome (929525929).

The spelling of 228312107 in words is "two hundred twenty-eight million, three hundred twelve thousand, one hundred seven".