3223861 has 4 divisors (see below), whose sum is σ = 3229452. Its totient is φ = 3218272.

The previous prime is 3223859. The next prime is 3223867. The reversal of 3223861 is 1683223.

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 1062961 + 2160900 = 1031^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223861 - 2¹ = 3223859 is a prime.

It is a Duffinian number.

3223861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (807363).

Almost surely, 2^3223861 is an apocalyptic number.

It is an amenable number.

3223861 is a deficient number, since it is larger than the sum of its proper divisors (5591).

3223861 is an equidigital number, since it uses as much as digits as its factorization.

3223861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its digits is 1728, while the sum is 25.

The square root of 3223861 is about 1795.5113477781. The cubic root of 3223861 is about 147.7266228094.

The spelling of 3223861 in words is "three million, two hundred twenty-three thousand, eight hundred sixty-one".