3321445 has 4 divisors (see below), whose sum is σ = 3985740. Its totient is φ = 2657152.

The previous prime is 3321421. The next prime is 3321467. The reversal of 3321445 is 5441233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2630884 + 690561 = 1622^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321445 - 2⁷ = 3321317 is a prime.

It is a super-2 number, since 2×3321445² = 22063993776050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332140 + ... + 332149.

It is an arithmetic number, because the mean of its divisors is an integer number (996435).

Almost surely, 2^3321445 is an apocalyptic number.

It is an amenable number.

3321445 is a deficient number, since it is larger than the sum of its proper divisors (664295).

3321445 is an equidigital number, since it uses as much as digits as its factorization.

3321445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664294.

The product of its digits is 1440, while the sum is 22.

The square root of 3321445 is about 1822.4831960817. The cubic root of 3321445 is about 149.2023585652.

Adding to 3321445 its reverse (5441233), we get a palindrome (8762678).

The spelling of 3321445 in words is "three million, three hundred twenty-one thousand, four hundred forty-five".