2223442 has 8 divisors (see below), whose sum is σ = 3591756. Its totient is φ = 1026192.

The previous prime is 2223421. The next prime is 2223443. The reversal of 2223442 is 2443222.

2223442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2223081 + 361 = 1491^2 + 19^2 .

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

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42733 + ... + 42784.

2^2223442 is an apocalyptic number.

2223442 is a deficient number, since it is larger than the sum of its proper divisors (1368314).

2223442 is a wasteful number, since it uses less digits than its factorization.

2223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85532.

The product of its digits is 768, while the sum is 19.

The square root of 2223442 is about 1491.1210547772. The cubic root of 2223442 is about 130.5194600145.

Adding to 2223442 its reverse (2443222), we get a palindrome (4666664).

The spelling of 2223442 in words is "two million, two hundred twenty-three thousand, four hundred forty-two".