2223446 has 4 divisors (see below), whose sum is σ = 3335172. Its totient is φ = 1111722.

The previous prime is 2223443. The next prime is 2223449. The reversal of 2223446 is 6443222.

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

It is an interprime number because it is at equal distance from previous prime (2223443) and next prime (2223449).

It is a super-2 number, since 2×2223446² = 9887424229832, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555860 + ... + 555863.

It is an arithmetic number, because the mean of its divisors is an integer number (833793).

2^2223446 is an apocalyptic number.

2223446 is a deficient number, since it is larger than the sum of its proper divisors (1111726).

2223446 is a wasteful number, since it uses less digits than its factorization.

2223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111725.

The product of its digits is 2304, while the sum is 23.

The square root of 2223446 is about 1491.1223960494. The cubic root of 2223446 is about 130.5195382831.

Adding to 2223446 its reverse (6443222), we get a palindrome (8666668).

The spelling of 2223446 in words is "two million, two hundred twenty-three thousand, four hundred forty-six".