228658367 has 4 divisors (see below), whose sum is σ = 261323856. Its totient is φ = 195992880.

The previous prime is 228658361. The next prime is 228658373. The reversal of 228658367 is 763856822.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (228658361) and next prime (228658373).

It is a cyclic number.

It is not a de Polignac number, because 228658367 - 2¹² = 228654271 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 (228658361) 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, 16332734 + ... + 16332747.

It is an arithmetic number, because the mean of its divisors is an integer number (65330964).

Almost surely, 2^228658367 is an apocalyptic number.

228658367 is a deficient number, since it is larger than the sum of its proper divisors (32665489).

228658367 is an equidigital number, since it uses as much as digits as its factorization.

228658367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32665488.

The product of its digits is 967680, while the sum is 47.

The square root of 228658367 is about 15121.4538652869. The cubic root of 228658367 is about 611.4989268313.

The spelling of 228658367 in words is "two hundred twenty-eight million, six hundred fifty-eight thousand, three hundred sixty-seven".