3355858221 has 16 divisors (see below), whose sum is σ = 4778088960. Its totient is φ = 2090410560.

The previous prime is 3355858211. The next prime is 3355858237. The reversal of 3355858221 is 1228585533.

It is a happy number.

It is not a de Polignac number, because 3355858221 - 2¹⁵ = 3355825453 is a prime.

It is a super-2 number, since 2×3355858221² = 22523568798906569682, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355858211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619450 + ... + 624843.

It is an arithmetic number, because the mean of its divisors is an integer number (298630560).

Almost surely, 2^3355858221 is an apocalyptic number.

3355858221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3355858221 is a deficient number, since it is larger than the sum of its proper divisors (1422230739).

3355858221 is a wasteful number, since it uses less digits than its factorization.

3355858221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244356.

The product of its digits is 288000, while the sum is 42.

The square root of 3355858221 is about 57929.7697302518. The cubic root of 3355858221 is about 1497.1588026853.

The spelling of 3355858221 in words is "three billion, three hundred fifty-five million, eight hundred fifty-eight thousand, two hundred twenty-one".