3221001223 has 4 divisors (see below), whose sum is σ = 3513819528. Its totient is φ = 2928182920.

The previous prime is 3221001221. The next prime is 3221001281.

3221001223 is nontrivially palindromic in base 10.

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 3221001223 - 2¹ = 3221001221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221001197 and 3221001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146409136 + ... + 146409157.

It is an arithmetic number, because the mean of its divisors is an integer number (878454882).

Almost surely, 2^3221001223 is an apocalyptic number.

3221001223 is a deficient number, since it is larger than the sum of its proper divisors (292818305).

3221001223 is a wasteful number, since it uses less digits than its factorization.

3221001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292818304.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3221001223 is about 56753.8652692484. The cubic root of 3221001223 is about 1476.8292880627.

It can be divided in two parts, 322100 and 1223, that added together give a palindrome (323323).

The spelling of 3221001223 in words is "three billion, two hundred twenty-one million, one thousand, two hundred twenty-three".