3301221145 has 4 divisors (see below), whose sum is σ = 3961465380. Its totient is φ = 2640976912.

The previous prime is 3301221103. The next prime is 3301221163. The reversal of 3301221145 is 5411221033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5411221033 = 19 ⋅284801107.

It can be written as a sum of positive squares in 2 ways, for example, as 348494224 + 2952726921 = 18668^2 + 54339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3301221145 - 2¹³ = 3301212953 is a prime.

It is a super-2 number, since 2×3301221145² = 21796122096390222050, which contains 22 as substring.

It is an unprimeable number.

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, 330122110 + ... + 330122119.

It is an arithmetic number, because the mean of its divisors is an integer number (990366345).

Almost surely, 2^3301221145 is an apocalyptic number.

It is an amenable number.

3301221145 is a deficient number, since it is larger than the sum of its proper divisors (660244235).

3301221145 is an equidigital number, since it uses as much as digits as its factorization.

3301221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660244234.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3301221145 is about 57456.2541852495. The cubic root of 3301221145 is about 1488.9891714640.

Adding to 3301221145 its reverse (5411221033), we get a palindrome (8712442178).

The spelling of 3301221145 in words is "three billion, three hundred one million, two hundred twenty-one thousand, one hundred forty-five".