228540883 has 2 divisors, whose sum is σ = 228540884. Its totient is φ = 228540882.

The previous prime is 228540869. The next prime is 228540887. The reversal of 228540883 is 388045822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228540883 - 2²¹ = 226443731 is a prime.

It is not a weakly prime, because it can be changed into another prime (228540887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114270441 + 114270442.

It is an arithmetic number, because the mean of its divisors is an integer number (114270442).

Almost surely, 2^228540883 is an apocalyptic number.

228540883 is a deficient number, since it is larger than the sum of its proper divisors (1).

228540883 is an equidigital number, since it uses as much as digits as its factorization.

228540883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 228540883 is about 15117.5686867962. The cubic root of 228540883 is about 611.3941801032.

The spelling of 228540883 in words is "two hundred twenty-eight million, five hundred forty thousand, eight hundred eighty-three".