228445356427 has 4 divisors (see below), whose sum is σ = 228479939296. Its totient is φ = 228410773560.

The previous prime is 228445356413. The next prime is 228445356437. The reversal of 228445356427 is 724653544822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228445356427 - 2⁷ = 228445356299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228445356437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17281524 + ... + 17294737.

It is an arithmetic number, because the mean of its divisors is an integer number (57119984824).

Almost surely, 2^228445356427 is an apocalyptic number.

228445356427 is a deficient number, since it is larger than the sum of its proper divisors (34582869).

228445356427 is an equidigital number, since it uses as much as digits as its factorization.

228445356427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582868.

The product of its digits is 12902400, while the sum is 52.

The spelling of 228445356427 in words is "two hundred twenty-eight billion, four hundred forty-five million, three hundred fifty-six thousand, four hundred twenty-seven".