3332120221 has 4 divisors (see below), whose sum is σ = 3332449152. Its totient is φ = 3331791292.

The previous prime is 3332120201. The next prime is 3332120237. The reversal of 3332120221 is 1220212333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1220212333 = 43 ⋅28377031.

It is a cyclic number.

It is not a de Polignac number, because 3332120221 - 2¹⁷ = 3331989149 is a prime.

It is a super-2 number, since 2×3332120221² = 22206050334394177682, 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 (3332120201) 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 3 ways as a sum of consecutive naturals, for example, 148771 + ... + 169696.

It is an arithmetic number, because the mean of its divisors is an integer number (833112288).

Almost surely, 2^3332120221 is an apocalyptic number.

It is an amenable number.

3332120221 is a deficient number, since it is larger than the sum of its proper divisors (328931).

3332120221 is a wasteful number, since it uses less digits than its factorization.

3332120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328930.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3332120221 is about 57724.5201019463. The cubic root of 3332120221 is about 1493.6203452856.

Adding to 3332120221 its reverse (1220212333), we get a palindrome (4552332554).

The spelling of 3332120221 in words is "three billion, three hundred thirty-two million, one hundred twenty thousand, two hundred twenty-one".