3361487221 has 4 divisors (see below), whose sum is σ = 3361718700. Its totient is φ = 3361255744.

The previous prime is 3361487189. The next prime is 3361487243. The reversal of 3361487221 is 1227841633.

It is a happy number.

3361487221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392436100 + 2969051121 = 19810^2 + 54489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3361487221 - 2⁵ = 3361487189 is a prime.

It is a super-2 number, since 2×3361487221² = 22599192673892605682, 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 (3361487281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92386 + ... + 123523.

It is an arithmetic number, because the mean of its divisors is an integer number (840429675).

Almost surely, 2^3361487221 is an apocalyptic number.

It is an amenable number.

3361487221 is a deficient number, since it is larger than the sum of its proper divisors (231479).

3361487221 is a wasteful number, since it uses less digits than its factorization.

3361487221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231478.

The product of its digits is 48384, while the sum is 37.

The square root of 3361487221 is about 57978.3340654076. The cubic root of 3361487221 is about 1497.9954291386.

The spelling of 3361487221 in words is "three billion, three hundred sixty-one million, four hundred eighty-seven thousand, two hundred twenty-one".