228342056009 has 2 divisors, whose sum is σ = 228342056010. Its totient is φ = 228342056008.

The previous prime is 228342055951. The next prime is 228342056071. The reversal of 228342056009 is 900650243822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167058577984 + 61283478025 = 408728^2 + 247555^2 .

It is a cyclic number.

It is not a de Polignac number, because 228342056009 - 2¹² = 228342051913 is a prime.

It is not a weakly prime, because it can be changed into another prime (228342056099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114171028004 + 114171028005.

It is an arithmetic number, because the mean of its divisors is an integer number (114171028005).

Almost surely, 2^228342056009 is an apocalyptic number.

It is an amenable number.

228342056009 is a deficient number, since it is larger than the sum of its proper divisors (1).

228342056009 is an equidigital number, since it uses as much as digits as its factorization.

228342056009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 228342056009 in words is "two hundred twenty-eight billion, three hundred forty-two million, fifty-six thousand, nine".