3223561 has 6 divisors (see below), whose sum is σ = 3543386. Its totient is φ = 2930400.

The previous prime is 3223547. The next prime is 3223567. The reversal of 3223561 is 1653223.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 1210000 = 1419^2 + 1100^2 .

It is not a de Polignac number, because 3223561 - 2⁵ = 3223529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3223567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13200 + ... + 13441.

Almost surely, 2^3223561 is an apocalyptic number.

It is an amenable number.

3223561 is a deficient number, since it is larger than the sum of its proper divisors (319825).

3223561 is a wasteful number, since it uses less digits than its factorization.

3223561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26663 (or 26652 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 3223561 is about 1795.4278041737. The cubic root of 3223561 is about 147.7220403784.

Adding to 3223561 its reverse (1653223), we get a palindrome (4876784).

It can be divided in two parts, 322 and 3561, that added together give a palindrome (3883).

The spelling of 3223561 in words is "three million, two hundred twenty-three thousand, five hundred sixty-one".