2223536 has 20 divisors (see below), whose sum is σ = 4923792. Its totient is φ = 952896.

The previous prime is 2223521. The next prime is 2223541. The reversal of 2223536 is 6353222.

It is a happy number.

2223536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2223536² = 9888224686592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9815 + ... + 10038.

2^2223536 is an apocalyptic number.

It is an amenable number.

2223536 is an abundant number, since it is smaller than the sum of its proper divisors (2700256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223536 is a wasteful number, since it uses less digits than its factorization.

2223536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868 (or 19862 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 2223536 is about 1491.1525743531. The cubic root of 2223536 is about 130.5212993033.

Adding to 2223536 its reverse (6353222), we get a palindrome (8576758).

The spelling of 2223536 in words is "two million, two hundred twenty-three thousand, five hundred thirty-six".