11242442 has 4 divisors (see below), whose sum is σ = 16863666. Its totient is φ = 5621220.

The previous prime is 11242417. The next prime is 11242463. The reversal of 11242442 is 24424211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24424211 = 7 ⋅3489173.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 477481 = 3281^2 + 691^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2810609 + ... + 2810612.

Almost surely, 2^11242442 is an apocalyptic number.

11242442 is a deficient number, since it is larger than the sum of its proper divisors (5621224).

11242442 is an equidigital number, since it uses as much as digits as its factorization.

11242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621223.

The product of its digits is 512, while the sum is 20.

The square root of 11242442 is about 3352.9750968356. The cubic root of 11242442 is about 224.0200476317.

Adding to 11242442 its reverse (24424211), we get a palindrome (35666653).

The spelling of 11242442 in words is "eleven million, two hundred forty-two thousand, four hundred forty-two".