11142226 has 4 divisors (see below), whose sum is σ = 16713342. Its totient is φ = 5571112.

The previous prime is 11142223. The next prime is 11142247. The reversal of 11142226 is 62224111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 998001 = 3185^2 + 999^2 .

It is not an unprimeable number, because it can be changed into a prime (11142223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785555 + ... + 2785558.

Almost surely, 2^11142226 is an apocalyptic number.

11142226 is a deficient number, since it is larger than the sum of its proper divisors (5571116).

11142226 is an equidigital number, since it uses as much as digits as its factorization.

11142226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571115.

The product of its digits is 192, while the sum is 19.

The square root of 11142226 is about 3337.9973037736. The cubic root of 11142226 is about 223.3524158839.

Adding to 11142226 its reverse (62224111), we get a palindrome (73366337).

The spelling of 11142226 in words is "eleven million, one hundred forty-two thousand, two hundred twenty-six".