3339378221 has 4 divisors (see below), whose sum is σ = 3535812252. Its totient is φ = 3142944192.

The previous prime is 3339378199. The next prime is 3339378227. The reversal of 3339378221 is 1228739333.

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: 1228739333 = 53 ⋅23183761.

It can be written as a sum of positive squares in 2 ways, for example, as 2451636196 + 887742025 = 49514^2 + 29795^2 .

It is a cyclic number.

It is not a de Polignac number, because 3339378221 - 2⁶ = 3339378157 is a prime.

It is a super-2 number, since 2×3339378221² = 22302893805778249682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3339378227) 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 3 ways as a sum of consecutive naturals, for example, 98216990 + ... + 98217023.

It is an arithmetic number, because the mean of its divisors is an integer number (883953063).

Almost surely, 2^3339378221 is an apocalyptic number.

It is an amenable number.

3339378221 is a deficient number, since it is larger than the sum of its proper divisors (196434031).

3339378221 is a wasteful number, since it uses less digits than its factorization.

3339378221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196434030.

The product of its digits is 163296, while the sum is 41.

The square root of 3339378221 is about 57787.3534694227. The cubic root of 3339378221 is about 1494.7040231660.

The spelling of 3339378221 in words is "three billion, three hundred thirty-nine million, three hundred seventy-eight thousand, two hundred twenty-one".