228237673 has 4 divisors (see below), whose sum is σ = 228309760. Its totient is φ = 228165588.

The previous prime is 228237643. The next prime is 228237683. The reversal of 228237673 is 376732822.

228237673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228237673 - 2¹³ = 228229481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228237643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31065 + ... + 37702.

It is an arithmetic number, because the mean of its divisors is an integer number (57077440).

Almost surely, 2^228237673 is an apocalyptic number.

It is an amenable number.

228237673 is a deficient number, since it is larger than the sum of its proper divisors (72087).

228237673 is an equidigital number, since it uses as much as digits as its factorization.

228237673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72086.

The product of its digits is 169344, while the sum is 40.

The square root of 228237673 is about 15107.5369600739. The cubic root of 228237673 is about 611.1236772647.

The spelling of 228237673 in words is "two hundred twenty-eight million, two hundred thirty-seven thousand, six hundred seventy-three".