2223447 has 8 divisors (see below), whose sum is σ = 3139056. Its totient is φ = 1395072.

The previous prime is 2223443. The next prime is 2223449. The reversal of 2223447 is 7443222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223447 - 2² = 2223443 is a prime.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21748 + ... + 21849.

It is an arithmetic number, because the mean of its divisors is an integer number (392382).

2^2223447 is an apocalyptic number.

2223447 is a deficient number, since it is larger than the sum of its proper divisors (915609).

2223447 is a wasteful number, since it uses less digits than its factorization.

2223447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43617.

The product of its digits is 2688, while the sum is 24.

The square root of 2223447 is about 1491.1227313672. The cubic root of 2223447 is about 130.5195578503.

Adding to 2223447 its reverse (7443222), we get a palindrome (9666669).

The spelling of 2223447 in words is "two million, two hundred twenty-three thousand, four hundred forty-seven".