3280221403 has 4 divisors (see below), whose sum is σ = 3295767688. Its totient is φ = 3264675120.

The previous prime is 3280221367. The next prime is 3280221431. The reversal of 3280221403 is 3041220823.

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

It is a cyclic number.

It is not a de Polignac number, because 3280221403 - 2⁹ = 3280220891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280221473) 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, 7772826 + ... + 7773247.

It is an arithmetic number, because the mean of its divisors is an integer number (823941922).

Almost surely, 2^3280221403 is an apocalyptic number.

3280221403 is a deficient number, since it is larger than the sum of its proper divisors (15546285).

3280221403 is a wasteful number, since it uses less digits than its factorization.

3280221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546284.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3280221403 is about 57273.2171525225. The cubic root of 3280221403 is about 1485.8251983049.

The spelling of 3280221403 in words is "three billion, two hundred eighty million, two hundred twenty-one thousand, four hundred three".