3095221 has 2 divisors, whose sum is σ = 3095222. Its totient is φ = 3095220.

The previous prime is 3095203. The next prime is 3095227. The reversal of 3095221 is 1225903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 239121 = 1690^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3095221 - 2⁹ = 3094709 is a prime.

It is a Chen prime.

3095221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3095192 and 3095201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3095227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1547610 + 1547611.

It is an arithmetic number, because the mean of its divisors is an integer number (1547611).

Almost surely, 2^3095221 is an apocalyptic number.

It is an amenable number.

3095221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3095221 is an equidigital number, since it uses as much as digits as its factorization.

3095221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3095221 is about 1759.3240179114. The cubic root of 3095221 is about 145.7350075344.

The spelling of 3095221 in words is "three million, ninety-five thousand, two hundred twenty-one".