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BaseRepresentation
bin1100010010011001100101
320001122111202
430102121211
51311033333
6153012245
736243641
oct14223145
96048452
103221093
111900067
1210b4085
1388a195
145dbc21
154395e8
hex312665

3221093 has 2 divisors, whose sum is σ = 3221094. Its totient is φ = 3221092.

The previous prime is 3221069. The next prime is 3221107. The reversal of 3221093 is 3901223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 667489 = 1598^2 + 817^2 .

It is an emirp because it is prime and its reverse (3901223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3221093 is a prime.

It is a super-2 number, since 2×32210932 = 20750880229298, which contains 22 as substring.

It is equal to p231644 and since 3221093 and 231644 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610546 + 1610547.

It is an arithmetic number, because the mean of its divisors is an integer number (1610547).

Almost surely, 23221093 is an apocalyptic number.

It is an amenable number.

3221093 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221093 is an equidigital number, since it uses as much as digits as its factorization.

3221093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3221093 is about 1794.7403711958. The cubic root of 3221093 is about 147.6843314516.

The spelling of 3221093 in words is "three million, two hundred twenty-one thousand, ninety-three".