11222242 has 4 divisors (see below), whose sum is σ = 16833366. Its totient is φ = 5611120.

The previous prime is 11222219. The next prime is 11222243. The reversal of 11222242 is 24222211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24222211 = 13 ⋅1863247.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 3207681 = 2831^2 + 1791^2 .

It is not an unprimeable number, because it can be changed into a prime (11222243) 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 as a sum of consecutive naturals, namely, 2805559 + ... + 2805562.

Almost surely, 2^11222242 is an apocalyptic number.

11222242 is a deficient number, since it is larger than the sum of its proper divisors (5611124).

11222242 is an equidigital number, since it uses as much as digits as its factorization.

11222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611123.

The product of its digits is 128, while the sum is 16.

The square root of 11222242 is about 3349.9614923160. The cubic root of 11222242 is about 223.8857969084.

Adding to 11222242 its reverse (24222211), we get a palindrome (35444453).

It can be divided in two parts, 1122 and 2242, that added together give a square (3364 = 58²).

The spelling of 11222242 in words is "eleven million, two hundred twenty-two thousand, two hundred forty-two".