227708101 has 4 divisors (see below), whose sum is σ = 233862412. Its totient is φ = 221553792.

The previous prime is 227708083. The next prime is 227708161. The reversal of 227708101 is 101807722.

It is a Cunningham number, because it is equal to 15090²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203747076 + 23961025 = 14274^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 227708101 - 2¹⁹ = 227183813 is a prime.

It is a super-2 number, since 2×227708101² = 103701958522052402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227708101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227708161) 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 in 3 ways as a sum of consecutive naturals, for example, 3077100 + ... + 3077173.

It is an arithmetic number, because the mean of its divisors is an integer number (58465603).

Almost surely, 2^227708101 is an apocalyptic number.

It is an amenable number.

227708101 is a deficient number, since it is larger than the sum of its proper divisors (6154311).

227708101 is an equidigital number, since it uses as much as digits as its factorization.

227708101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154310.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 227708101 is about 15090.0000331345. Note that the first 4 decimals coincide. The cubic root of 227708101 is about 610.6506548337.

The spelling of 227708101 in words is "two hundred twenty-seven million, seven hundred eight thousand, one hundred one".