3223345 has 4 divisors (see below), whose sum is σ = 3868020. Its totient is φ = 2578672.

The previous prime is 3223343. The next prime is 3223357. The reversal of 3223345 is 5433223.

3223345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1628176 + 1595169 = 1276^2 + 1263^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223345 - 2¹ = 3223343 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3223343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322330 + ... + 322339.

It is an arithmetic number, because the mean of its divisors is an integer number (967005).

Almost surely, 2^3223345 is an apocalyptic number.

It is an amenable number.

3223345 is a deficient number, since it is larger than the sum of its proper divisors (644675).

3223345 is an equidigital number, since it uses as much as digits as its factorization.

3223345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644674.

The product of its digits is 2160, while the sum is 22.

The square root of 3223345 is about 1795.3676503714. The cubic root of 3223345 is about 147.7187408521.

Adding to 3223345 its reverse (5433223), we get a palindrome (8656568).

The spelling of 3223345 in words is "three million, two hundred twenty-three thousand, three hundred forty-five".