2223036 has 18 divisors (see below), whose sum is σ = 5619432. Its totient is φ = 741000.

The previous prime is 2223031. The next prime is 2223037. The reversal of 2223036 is 6303222.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2¹⁶ + 2²⁰ + 2²⁰ + 3 + 0 + 3¹⁰ + 6⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30840 + ... + 30911.

2^2223036 is an apocalyptic number.

It is an amenable number.

2223036 is an abundant number, since it is smaller than the sum of its proper divisors (3396396).

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

2223036 is a wasteful number, since it uses less digits than its factorization.

2223036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61761 (or 61756 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2223036 is about 1490.9849093804. The cubic root of 2223036 is about 130.5115152564.

Adding to 2223036 its reverse (6303222), we get a palindrome (8526258).

The spelling of 2223036 in words is "two million, two hundred twenty-three thousand, thirty-six".