228650671 has 4 divisors (see below), whose sum is σ = 230319792. Its totient is φ = 226981552.

The previous prime is 228650647. The next prime is 228650677. The reversal of 228650671 is 176056822.

It is a happy number.

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 228650671 - 2¹⁵ = 228617903 is a prime.

It is a super-2 number, since 2×228650671² = 104562258697500482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228650671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228650677) 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, 834355 + ... + 834628.

It is an arithmetic number, because the mean of its divisors is an integer number (57579948).

Almost surely, 2^228650671 is an apocalyptic number.

228650671 is a deficient number, since it is larger than the sum of its proper divisors (1669121).

228650671 is a wasteful number, since it uses less digits than its factorization.

228650671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669120.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 228650671 is about 15121.1993902600. The cubic root of 228650671 is about 611.4920663075.

The spelling of 228650671 in words is "two hundred twenty-eight million, six hundred fifty thousand, six hundred seventy-one".