3220421003 has 2 divisors, whose sum is σ = 3220421004. Its totient is φ = 3220421002.

The previous prime is 3220420991. The next prime is 3220421101. The reversal of 3220421003 is 3001240223.

It is a weak prime.

It is an emirp because it is prime and its reverse (3001240223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220421003 - 2⁸ = 3220420747 is a prime.

It is a super-2 number, since 2×3220421003² = 20742222873127052018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3220421803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610210501 + 1610210502.

It is an arithmetic number, because the mean of its divisors is an integer number (1610210502).

Almost surely, 2^3220421003 is an apocalyptic number.

3220421003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220421003 is an equidigital number, since it uses as much as digits as its factorization.

3220421003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3220421003 is about 56748.7533167029. The cubic root of 3220421003 is about 1476.7406057672.

Adding to 3220421003 its reverse (3001240223), we get a palindrome (6221661226).

The spelling of 3220421003 in words is "three billion, two hundred twenty million, four hundred twenty-one thousand, three".