3346826221 has 8 divisors (see below), whose sum is σ = 3386207160. Its totient is φ = 3307484928.

The previous prime is 3346826179. The next prime is 3346826233. The reversal of 3346826221 is 1226286433.

It can be written as a sum of positive squares in 4 ways, for example, as 440538121 + 2906288100 = 20989^2 + 53910^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-3346826221 is a prime.

It is a super-2 number, since 2×3346826221² = 22402491507146281682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3346826251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181395 + ... + 198991.

It is an arithmetic number, because the mean of its divisors is an integer number (423275895).

Almost surely, 2^3346826221 is an apocalyptic number.

It is an amenable number.

3346826221 is a deficient number, since it is larger than the sum of its proper divisors (39380939).

3346826221 is a wasteful number, since it uses less digits than its factorization.

3346826221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19823.

The product of its digits is 82944, while the sum is 37.

The square root of 3346826221 is about 57851.7607424355. The cubic root of 3346826221 is about 1495.8144383940.

The spelling of 3346826221 in words is "three billion, three hundred forty-six million, eight hundred twenty-six thousand, two hundred twenty-one".