3542444221 has 6 divisors (see below), whose sum is σ = 3668810522. Its totient is φ = 3420290160.

The previous prime is 3542444219. The next prime is 3542444267. The reversal of 3542444221 is 1224442453.

3542444221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1284864025 + 2257580196 = 35845^2 + 47514^2 .

It is not a de Polignac number, because 3542444221 - 2¹ = 3542444219 is a prime.

It is a super-3 number, since 3×3542444221³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542444201) 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 5 ways as a sum of consecutive naturals, for example, 2105250 + ... + 2106931.

Almost surely, 2^3542444221 is an apocalyptic number.

It is an amenable number.

3542444221 is a deficient number, since it is larger than the sum of its proper divisors (126366301).

3542444221 is an equidigital number, since it uses as much as digits as its factorization.

3542444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212239 (or 4212210 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 3542444221 is about 59518.4359757546. The cubic root of 3542444221 is about 1524.4072545079.

Adding to 3542444221 its reverse (1224442453), we get a palindrome (4766886674).

The spelling of 3542444221 in words is "three billion, five hundred forty-two million, four hundred forty-four thousand, two hundred twenty-one".