3641223 has 4 divisors (see below), whose sum is σ = 4854968. Its totient is φ = 2427480.

The previous prime is 3641221. The next prime is 3641233. The reversal of 3641223 is 3221463.

It is a happy number.

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

It is not a de Polignac number, because 3641223 - 2¹ = 3641221 is a prime.

It is a D-number.

It is a Duffinian number.

3641223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3641223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641221) 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, 606868 + ... + 606873.

It is an arithmetic number, because the mean of its divisors is an integer number (1213742).

Almost surely, 2^3641223 is an apocalyptic number.

3641223 is a deficient number, since it is larger than the sum of its proper divisors (1213745).

3641223 is a wasteful number, since it uses less digits than its factorization.

3641223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213744.

The product of its digits is 864, while the sum is 21.

The square root of 3641223 is about 1908.1988890050. The cubic root of 3641223 is about 153.8446597996.

Adding to 3641223 its reverse (3221463), we get a palindrome (6862686).

The spelling of 3641223 in words is "three million, six hundred forty-one thousand, two hundred twenty-three".