3221050005 has 24 divisors (see below), whose sum is σ = 5584482072. Its totient is φ = 1717484544.

The previous prime is 3221049967. The next prime is 3221050043. The reversal of 3221050005 is 5000501223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3221049967) and next prime (3221050043).

It can be written as a sum of positive squares in 4 ways, for example, as 33489 + 3221016516 = 183^2 + 56754^2 .

It is not a de Polignac number, because 3221050005 - 2⁶ = 3221049941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221050005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334417 + ... + 343913.

It is an arithmetic number, because the mean of its divisors is an integer number (232686753).

Almost surely, 2^3221050005 is an apocalyptic number.

It is an amenable number.

3221050005 is a deficient number, since it is larger than the sum of its proper divisors (2363432067).

3221050005 is a wasteful number, since it uses less digits than its factorization.

3221050005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17045 (or 17042 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3221050005 is about 56754.2950357063. The cubic root of 3221050005 is about 1476.8367435419.

Adding to 3221050005 its reverse (5000501223), we get a palindrome (8221551228).

It can be divided in two parts, 32210 and 50005, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 3221050005 in words is "three billion, two hundred twenty-one million, fifty thousand, five".