228180851 has 8 divisors (see below), whose sum is σ = 241750080. Its totient is φ = 214627968.

The previous prime is 228180839. The next prime is 228180853. The reversal of 228180851 is 158081822.

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-228180851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228180853) 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, 35945 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (30218760).

Almost surely, 2^228180851 is an apocalyptic number.

228180851 is a deficient number, since it is larger than the sum of its proper divisors (13569229).

228180851 is a wasteful number, since it uses less digits than its factorization.

228180851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 228180851 is about 15105.6562585013. The cubic root of 228180851 is about 611.0729579841.

The spelling of 228180851 in words is "two hundred twenty-eight million, one hundred eighty thousand, eight hundred fifty-one".