2223422 has 4 divisors (see below), whose sum is σ = 3335136. Its totient is φ = 1111710.

The previous prime is 2223421. The next prime is 2223443. The reversal of 2223422 is 2243222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2223422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223421) 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 as a sum of consecutive naturals, namely, 555854 + ... + 555857.

It is an arithmetic number, because the mean of its divisors is an integer number (833784).

2^2223422 is an apocalyptic number.

2223422 is a deficient number, since it is larger than the sum of its proper divisors (1111714).

2223422 is a wasteful number, since it uses less digits than its factorization.

2223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111713.

The product of its digits is 384, while the sum is 17.

The square root of 2223422 is about 1491.1143483985. The cubic root of 2223422 is about 130.5190686697.

Adding to 2223422 its reverse (2243222), we get a palindrome (4466644).

The spelling of 2223422 in words is "two million, two hundred twenty-three thousand, four hundred twenty-two".