3223121 has 8 divisors (see below), whose sum is σ = 3561600. Its totient is φ = 2892240.

The previous prime is 3223109. The next prime is 3223127. The reversal of 3223121 is 1213223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3223121 - 2¹⁸ = 2960977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3223096 and 3223105.

It is not an unprimeable number, because it can be changed into a prime (3223127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (445200).

Almost surely, 2^3223121 is an apocalyptic number.

It is an amenable number.

3223121 is a deficient number, since it is larger than the sum of its proper divisors (338479).

3223121 is a wasteful number, since it uses less digits than its factorization.

3223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799.

The product of its digits is 72, while the sum is 14.

The square root of 3223121 is about 1795.3052665215. The cubic root of 3223121 is about 147.7153189653.

Adding to 3223121 its reverse (1213223), we get a palindrome (4436344).

It can be divided in two parts, 3223 and 121, that multiplied together give a palindrome (389983).

The spelling of 3223121 in words is "three million, two hundred twenty-three thousand, one hundred twenty-one".