2242542 has 8 divisors (see below), whose sum is σ = 4485096. Its totient is φ = 747512.

The previous prime is 2242529. The next prime is 2242549. The reversal of 2242542 is 2452422.

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

2242542 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242549) 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 3 ways as a sum of consecutive naturals, for example, 186873 + ... + 186884.

It is an arithmetic number, because the mean of its divisors is an integer number (560637).

2^2242542 is an apocalyptic number.

2242542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2242542 is a wasteful number, since it uses less digits than its factorization.

2242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373762.

The product of its digits is 1280, while the sum is 21.

The square root of 2242542 is about 1497.5119365134. The cubic root of 2242542 is about 130.8921280455.

Adding to 2242542 its reverse (2452422), we get a palindrome (4694964).

The spelling of 2242542 in words is "two million, two hundred forty-two thousand, five hundred forty-two".