228013307 has 2 divisors, whose sum is σ = 228013308. Its totient is φ = 228013306.

The previous prime is 228013297. The next prime is 228013343. The reversal of 228013307 is 703310822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228013307 - 2¹² = 228009211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228013507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114006653 + 114006654.

It is an arithmetic number, because the mean of its divisors is an integer number (114006654).

Almost surely, 2^228013307 is an apocalyptic number.

228013307 is a deficient number, since it is larger than the sum of its proper divisors (1).

228013307 is an equidigital number, since it uses as much as digits as its factorization.

228013307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 228013307 is about 15100.1095029142. The cubic root of 228013307 is about 610.9233592840.

The spelling of 228013307 in words is "two hundred twenty-eight million, thirteen thousand, three hundred seven".