228101413 has 2 divisors, whose sum is σ = 228101414. Its totient is φ = 228101412.

The previous prime is 228101407. The next prime is 228101473. The reversal of 228101413 is 314101822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131629729 + 96471684 = 11473^2 + 9822^2 .

It is a cyclic number.

It is not a de Polignac number, because 228101413 - 2²⁵ = 194546981 is a prime.

It is a super-2 number, since 2×228101413² = 104060509225193138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228101473) 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, 114050706 + 114050707.

It is an arithmetic number, because the mean of its divisors is an integer number (114050707).

Almost surely, 2^228101413 is an apocalyptic number.

It is an amenable number.

228101413 is a deficient number, since it is larger than the sum of its proper divisors (1).

228101413 is an equidigital number, since it uses as much as digits as its factorization.

228101413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 228101413 is about 15103.0266172049. The cubic root of 228101413 is about 611.0020375605.

The spelling of 228101413 in words is "two hundred twenty-eight million, one hundred one thousand, four hundred thirteen".