2363221 has 12 divisors (see below), whose sum is σ = 2911788. Its totient is φ = 1905792.

The previous prime is 2363219. The next prime is 2363233. The reversal of 2363221 is 1223632.

It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 1535121 = 910^2 + 1239^2 .

It is not a de Polignac number, because 2363221 - 2¹ = 2363219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2363261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (242649).

2^2363221 is an apocalyptic number.

It is an amenable number.

2363221 is a deficient number, since it is larger than the sum of its proper divisors (548567).

2363221 is a wasteful number, since it uses less digits than its factorization.

2363221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2861 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 2363221 is about 1537.2771383196. The cubic root of 2363221 is about 133.1991476407.

Adding to 2363221 its reverse (1223632), we get a palindrome (3586853).

It can be divided in two parts, 23632 and 21, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 2363221 in words is "two million, three hundred sixty-three thousand, two hundred twenty-one".