2422542 has 8 divisors (see below), whose sum is σ = 4845096. Its totient is φ = 807512.

The previous prime is 2422531. The next prime is 2422543. The reversal of 2422542 is 2452242.

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

2422542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201873 + ... + 201884.

It is an arithmetic number, because the mean of its divisors is an integer number (605637).

2^2422542 is an apocalyptic number.

2422542 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.

2422542 is a wasteful number, since it uses less digits than its factorization.

2422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403762.

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

The square root of 2422542 is about 1556.4517339127. The cubic root of 2422542 is about 134.3044610487.

Adding to 2422542 its reverse (2452242), we get a palindrome (4874784).

The spelling of 2422542 in words is "two million, four hundred twenty-two thousand, five hundred forty-two".