3221045 has 8 divisors (see below), whose sum is σ = 3876000. Its totient is φ = 2569680.

The previous prime is 3221033. The next prime is 3221063. The reversal of 3221045 is 5401223.

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

It is not a de Polignac number, because 3221045 - 2¹² = 3216949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (484500).

Almost surely, 2^3221045 is an apocalyptic number.

It is an amenable number.

3221045 is a deficient number, since it is larger than the sum of its proper divisors (654955).

3221045 is a wasteful number, since it uses less digits than its factorization.

3221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3221045 is about 1794.7269987382. The cubic root of 3221045 is about 147.6835978618.

Adding to 3221045 its reverse (5401223), we get a palindrome (8622268).

The spelling of 3221045 in words is "three million, two hundred twenty-one thousand, forty-five".