3335221561 has 8 divisors (see below), whose sum is σ = 3876287040. Its totient is φ = 2810307408.

The previous prime is 3335221553. The next prime is 3335221573. The reversal of 3335221561 is 1651225333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3335221561 - 2³ = 3335221553 is a prime.

It is a super-2 number, since 2×3335221561² = 22247405721918553442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3335221541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037386 + ... + 4038211.

It is an arithmetic number, because the mean of its divisors is an integer number (484535880).

Almost surely, 2^3335221561 is an apocalyptic number.

It is an amenable number.

3335221561 is a deficient number, since it is larger than the sum of its proper divisors (541065479).

3335221561 is an equidigital number, since it uses as much as digits as its factorization.

3335221561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075663.

The product of its digits is 16200, while the sum is 31.

The square root of 3335221561 is about 57751.3771350952. The cubic root of 3335221561 is about 1494.0835926900.

Adding to 3335221561 its reverse (1651225333), we get a palindrome (4986446894).

The spelling of 3335221561 in words is "three billion, three hundred thirty-five million, two hundred twenty-one thousand, five hundred sixty-one".