2223544 has 16 divisors (see below), whose sum is σ = 4185000. Its totient is φ = 1107552.

The previous prime is 2223541. The next prime is 2223563. The reversal of 2223544 is 4453222.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁵ + 2²¹ + 3⁷ + 5⁷ + 4⁵ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223541) 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, 3714 + ... + 4270.

2^2223544 is an apocalyptic number.

It is an amenable number.

2223544 is a deficient number, since it is larger than the sum of its proper divisors (1961456).

2223544 is a wasteful number, since it uses less digits than its factorization.

2223544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 2223544 is about 1491.1552568395. The cubic root of 2223544 is about 130.5214558362.

Adding to 2223544 its reverse (4453222), we get a palindrome (6676766).

The spelling of 2223544 in words is "two million, two hundred twenty-three thousand, five hundred forty-four".