3301220129 has 4 divisors (see below), whose sum is σ = 3338312580. Its totient is φ = 3264127680.

The previous prime is 3301220099. The next prime is 3301220137. The reversal of 3301220129 is 9210221033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 921243904 + 2379976225 = 30352^2 + 48785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3301220129 is a prime.

It is a super-2 number, since 2×3301220129² = 21796108680229553282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3301220149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18546092 + ... + 18546269.

It is an arithmetic number, because the mean of its divisors is an integer number (834578145).

Almost surely, 2^3301220129 is an apocalyptic number.

It is an amenable number.

3301220129 is a deficient number, since it is larger than the sum of its proper divisors (37092451).

3301220129 is an equidigital number, since it uses as much as digits as its factorization.

3301220129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37092450.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3301220129 is about 57456.2453437396. The cubic root of 3301220129 is about 1488.9890187111.

The spelling of 3301220129 in words is "three billion, three hundred one million, two hundred twenty thousand, one hundred twenty-nine".