228202911 has 12 divisors (see below), whose sum is σ = 330670392. Its totient is φ = 151653456.

The previous prime is 228202889. The next prime is 228202921. The reversal of 228202911 is 119202822.

It is not a de Polignac number, because 228202911 - 2⁹ = 228202399 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228202921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37141 + ... + 42846.

It is an arithmetic number, because the mean of its divisors is an integer number (27555866).

Almost surely, 2^228202911 is an apocalyptic number.

228202911 is a deficient number, since it is larger than the sum of its proper divisors (102467481).

228202911 is a wasteful number, since it uses less digits than its factorization.

228202911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80310 (or 80307 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 228202911 is about 15106.3864309106. The cubic root of 228202911 is about 611.0926497257.

The spelling of 228202911 in words is "two hundred twenty-eight million, two hundred two thousand, nine hundred eleven".