228811733 has 2 divisors, whose sum is σ = 228811734. Its totient is φ = 228811732.

The previous prime is 228811727. The next prime is 228811777. The reversal of 228811733 is 337118822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 6265009 = 14918^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 228811733 - 2¹⁴ = 228795349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228811693 and 228811702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228813733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114405866 + 114405867.

It is an arithmetic number, because the mean of its divisors is an integer number (114405867).

Almost surely, 2^228811733 is an apocalyptic number.

It is an amenable number.

228811733 is a deficient number, since it is larger than the sum of its proper divisors (1).

228811733 is an equidigital number, since it uses as much as digits as its factorization.

228811733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 228811733 is about 15126.5241546100. The cubic root of 228811733 is about 611.6356113621.

The spelling of 228811733 in words is "two hundred twenty-eight million, eight hundred eleven thousand, seven hundred thirty-three".