228632141 has 8 divisors (see below), whose sum is σ = 233146368. Its totient is φ = 224154000.

The previous prime is 228632119. The next prime is 228632171. The reversal of 228632141 is 141236822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228632141 - 2⁶ = 228632077 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 (228632101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (29143296).

Almost surely, 2^228632141 is an apocalyptic number.

It is an amenable number.

228632141 is a deficient number, since it is larger than the sum of its proper divisors (4514227).

228632141 is a wasteful number, since it uses less digits than its factorization.

228632141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043.

The product of its digits is 4608, while the sum is 29.

The square root of 228632141 is about 15120.5866618991. The cubic root of 228632141 is about 611.4755472888.

Adding to 228632141 its reverse (141236822), we get a palindrome (369868963).

The spelling of 228632141 in words is "two hundred twenty-eight million, six hundred thirty-two thousand, one hundred forty-one".