228194101 has 2 divisors, whose sum is σ = 228194102. Its totient is φ = 228194100.

The previous prime is 228194053. The next prime is 228194137. The reversal of 228194101 is 101491822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173448900 + 54745201 = 13170^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 228194101 - 2¹⁷ = 228063029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228194101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228194191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114097050 + 114097051.

It is an arithmetic number, because the mean of its divisors is an integer number (114097051).

Almost surely, 2^228194101 is an apocalyptic number.

It is an amenable number.

228194101 is a deficient number, since it is larger than the sum of its proper divisors (1).

228194101 is an equidigital number, since it uses as much as digits as its factorization.

228194101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 228194101 is about 15106.0948295713. The cubic root of 228194101 is about 611.0847856783.

The spelling of 228194101 in words is "two hundred twenty-eight million, one hundred ninety-four thousand, one hundred one".