2243442 has 16 divisors (see below), whose sum is σ = 4544640. Its totient is φ = 738192.

The previous prime is 2243431. The next prime is 2243453. The reversal of 2243442 is 2443422.

2243442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2243431) and next prime (2243453).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1893 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (284040).

2^2243442 is an apocalyptic number.

2243442 is an abundant number, since it is smaller than the sum of its proper divisors (2301198).

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

2243442 is a wasteful number, since it uses less digits than its factorization.

2243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817.

The product of its digits is 1536, while the sum is 21.

The square root of 2243442 is about 1497.8124048091. The cubic root of 2243442 is about 130.9096360282.

Adding to 2243442 its reverse (2443422), we get a palindrome (4686864).

The spelling of 2243442 in words is "two million, two hundred forty-three thousand, four hundred forty-two".