228703151 has 4 divisors (see below), whose sum is σ = 236080704. Its totient is φ = 221325600.

The previous prime is 228703147. The next prime is 228703217. The reversal of 228703151 is 151307822.

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 228703151 - 2² = 228703147 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 (228703121) 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, 3688730 + ... + 3688791.

It is an arithmetic number, because the mean of its divisors is an integer number (59020176).

Almost surely, 2^228703151 is an apocalyptic number.

228703151 is a deficient number, since it is larger than the sum of its proper divisors (7377553).

228703151 is an equidigital number, since it uses as much as digits as its factorization.

228703151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377552.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 228703151 is about 15122.9346027813. The cubic root of 228703151 is about 611.5388460357.

The spelling of 228703151 in words is "two hundred twenty-eight million, seven hundred three thousand, one hundred fifty-one".