228014091 has 12 divisors (see below), whose sum is σ = 338255632. Its totient is φ = 147900816.

The previous prime is 228014089. The next prime is 228014123. The reversal of 228014091 is 190410822.

228014091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228014091 - 2¹ = 228014089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228014051) 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, 342031 + ... + 342696.

Almost surely, 2^228014091 is an apocalyptic number.

228014091 is a deficient number, since it is larger than the sum of its proper divisors (110241541).

228014091 is a wasteful number, since it uses less digits than its factorization.

228014091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684770 (or 684767 counting only the distinct ones).

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

The square root of 228014091 is about 15100.1354629685. The cubic root of 228014091 is about 610.9240594820.

The spelling of 228014091 in words is "two hundred twenty-eight million, fourteen thousand, ninety-one".