3212221403 has 4 divisors (see below), whose sum is σ = 3272829408. Its totient is φ = 3151613400.

The previous prime is 3212221399. The next prime is 3212221447. The reversal of 3212221403 is 3041222123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041222123 = 17 ⋅178895419.

It is a cyclic number.

It is not a de Polignac number, because 3212221403 - 2² = 3212221399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3212221483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30303923 + ... + 30304028.

It is an arithmetic number, because the mean of its divisors is an integer number (818207352).

Almost surely, 2^3212221403 is an apocalyptic number.

3212221403 is a deficient number, since it is larger than the sum of its proper divisors (60608005).

3212221403 is an equidigital number, since it uses as much as digits as its factorization.

3212221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60608004.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3212221403 is about 56676.4625131103. The cubic root of 3212221403 is about 1475.4862176434.

Adding to 3212221403 its reverse (3041222123), we get a palindrome (6253443526).

The spelling of 3212221403 in words is "three billion, two hundred twelve million, two hundred twenty-one thousand, four hundred three".