228140635 has 8 divisors (see below), whose sum is σ = 274031280. Its totient is φ = 182337504.

The previous prime is 228140623. The next prime is 228140639. The reversal of 228140635 is 536041822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228140635 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228140597 and 228140606.

It is not an unprimeable number, because it can be changed into a prime (228140639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15997 + ... + 26686.

It is an arithmetic number, because the mean of its divisors is an integer number (34253910).

Almost surely, 2^228140635 is an apocalyptic number.

228140635 is a deficient number, since it is larger than the sum of its proper divisors (45890645).

228140635 is a wasteful number, since it uses less digits than its factorization.

228140635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43757.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 228140635 is about 15104.3250428478. The cubic root of 228140635 is about 611.0370561197.

The spelling of 228140635 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred thirty-five".