2421442 has 16 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 1152592.

The previous prime is 2421439. The next prime is 2421443. The reversal of 2421442 is 2441242.

It is not an unprimeable number, because it can be changed into a prime (2421443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

2^2421442 is an apocalyptic number.

2421442 is a deficient number, since it is larger than the sum of its proper divisors (1388798).

2421442 is a wasteful number, since it uses less digits than its factorization.

2421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 512, while the sum is 19.

The square root of 2421442 is about 1556.0983259422. The cubic root of 2421442 is about 134.2841301630.

Adding to 2421442 its reverse (2441242), we get a palindrome (4862684).

The spelling of 2421442 in words is "two million, four hundred twenty-one thousand, four hundred forty-two".