228583250009 has 2 divisors, whose sum is σ = 228583250010. Its totient is φ = 228583250008.

The previous prime is 228583249997. The next prime is 228583250017. The reversal of 228583250009 is 900052385822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225052513609 + 3530736400 = 474397^2 + 59420^2 .

It is a cyclic number.

It is not a de Polignac number, because 228583250009 - 2²⁴ = 228566472793 is a prime.

It is not a weakly prime, because it can be changed into another prime (228583250039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114291625004 + 114291625005.

It is an arithmetic number, because the mean of its divisors is an integer number (114291625005).

Almost surely, 2^228583250009 is an apocalyptic number.

It is an amenable number.

228583250009 is a deficient number, since it is larger than the sum of its proper divisors (1).

228583250009 is an equidigital number, since it uses as much as digits as its factorization.

228583250009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 228583250009 in words is "two hundred twenty-eight billion, five hundred eighty-three million, two hundred fifty thousand, nine".