3221465 has 16 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 2295552.

The previous prime is 3221453. The next prime is 3221473. The reversal of 3221465 is 5641223.

It can be written as a sum of positive squares in 8 ways, for example, as 541696 + 2679769 = 736^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221465 - 2⁶ = 3221401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031 + ... + 2739.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

Almost surely, 2^3221465 is an apocalyptic number.

It is an amenable number.

3221465 is a deficient number, since it is larger than the sum of its proper divisors (1087735).

3221465 is a wasteful number, since it uses less digits than its factorization.

3221465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its digits is 1440, while the sum is 23.

The square root of 3221465 is about 1794.8440043636. The cubic root of 3221465 is about 147.6900165257.

Adding to 3221465 its reverse (5641223), we get a palindrome (8862688).

The spelling of 3221465 in words is "three million, two hundred twenty-one thousand, four hundred sixty-five".