3345221551 has 8 divisors (see below), whose sum is σ = 3866067360. Its totient is φ = 2835115008.

The previous prime is 3345221497. The next prime is 3345221629. The reversal of 3345221551 is 1551225433.

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 3345221551 - 2¹⁷ = 3345090479 is a prime.

It is a super-2 number, since 2×3345221551² = 22381014450549691202, 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 (3345221251) 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, 2684146 + ... + 2685391.

It is an arithmetic number, because the mean of its divisors is an integer number (483258420).

Almost surely, 2^3345221551 is an apocalyptic number.

3345221551 is a deficient number, since it is larger than the sum of its proper divisors (520845809).

3345221551 is an equidigital number, since it uses as much as digits as its factorization.

3345221551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369633.

The product of its digits is 18000, while the sum is 31.

The square root of 3345221551 is about 57837.8902709980. The cubic root of 3345221551 is about 1495.5753390092.

Adding to 3345221551 its reverse (1551225433), we get a palindrome (4896446984).

The spelling of 3345221551 in words is "three billion, three hundred forty-five million, two hundred twenty-one thousand, five hundred fifty-one".