228871607 has 4 divisors (see below), whose sum is σ = 229762416. Its totient is φ = 227980800.

The previous prime is 228871583. The next prime is 228871613. The reversal of 228871607 is 706178822.

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 228871607 - 2⁸ = 228871351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228871637) 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, 445019 + ... + 445532.

It is an arithmetic number, because the mean of its divisors is an integer number (57440604).

Almost surely, 2^228871607 is an apocalyptic number.

228871607 is a deficient number, since it is larger than the sum of its proper divisors (890809).

228871607 is an equidigital number, since it uses as much as digits as its factorization.

228871607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890808.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 228871607 is about 15128.5031315064. The cubic root of 228871607 is about 611.6889563491.

The spelling of 228871607 in words is "two hundred twenty-eight million, eight hundred seventy-one thousand, six hundred seven".