3554332221 has 32 divisors (see below), whose sum is σ = 5399769600. Its totient is φ = 2060354880.

The previous prime is 3554332219. The next prime is 3554332241. The reversal of 3554332221 is 1222334553.

It is not a de Polignac number, because 3554332221 - 2¹ = 3554332219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554332241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47370 + ... + 96708.

It is an arithmetic number, because the mean of its divisors is an integer number (168742800).

Almost surely, 2^3554332221 is an apocalyptic number.

It is an amenable number.

3554332221 is a deficient number, since it is larger than the sum of its proper divisors (1845437379).

3554332221 is a wasteful number, since it uses less digits than its factorization.

3554332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49449.

The product of its digits is 21600, while the sum is 30.

The square root of 3554332221 is about 59618.2205454004. The cubic root of 3554332221 is about 1526.1105905972.

Adding to 3554332221 its reverse (1222334553), we get a palindrome (4776666774).

It can be divided in two parts, 3554332 and 221, that added together give a palindrome (3554553).

The spelling of 3554332221 in words is "three billion, five hundred fifty-four million, three hundred thirty-two thousand, two hundred twenty-one".