228706101 has 12 divisors (see below), whose sum is σ = 355765228. Its totient is φ = 140742144.

The previous prime is 228706091. The next prime is 228706103. The reversal of 228706101 is 101607822.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 183467025 = 6726^2 + 13545^2 .

It is not a de Polignac number, because 228706101 - 2¹¹ = 228704053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228706103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977260 + ... + 977493.

Almost surely, 2^228706101 is an apocalyptic number.

It is an amenable number.

228706101 is a deficient number, since it is larger than the sum of its proper divisors (127059127).

228706101 is a wasteful number, since it uses less digits than its factorization.

228706101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954772 (or 1954769 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 228706101 is about 15123.0321364467. The cubic root of 228706101 is about 611.5414754003.

The spelling of 228706101 in words is "two hundred twenty-eight million, seven hundred six thousand, one hundred one".