228602651 has 2 divisors, whose sum is σ = 228602652. Its totient is φ = 228602650.

The previous prime is 228602617. The next prime is 228602657. The reversal of 228602651 is 156206822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228602651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228602657) 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 as a sum of consecutive naturals, namely, 114301325 + 114301326.

It is an arithmetic number, because the mean of its divisors is an integer number (114301326).

Almost surely, 2^228602651 is an apocalyptic number.

228602651 is a deficient number, since it is larger than the sum of its proper divisors (1).

228602651 is an equidigital number, since it uses as much as digits as its factorization.

228602651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 228602651 is about 15119.6114698758. The cubic root of 228602651 is about 611.4492558713.

The spelling of 228602651 in words is "two hundred twenty-eight million, six hundred two thousand, six hundred fifty-one".