11142214 has 4 divisors (see below), whose sum is σ = 16713324. Its totient is φ = 5571106.

The previous prime is 11142211. The next prime is 11142223. The reversal of 11142214 is 41224111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785552 + ... + 2785555.

It is an arithmetic number, because the mean of its divisors is an integer number (4178331).

Almost surely, 2^11142214 is an apocalyptic number.

11142214 is a deficient number, since it is larger than the sum of its proper divisors (5571110).

11142214 is an equidigital number, since it uses as much as digits as its factorization.

11142214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571109.

The product of its digits is 64, while the sum is 16.

The square root of 11142214 is about 3337.9955062882. The cubic root of 11142214 is about 223.3523357015.

Adding to 11142214 its reverse (41224111), we get a palindrome (52366325).

The spelling of 11142214 in words is "eleven million, one hundred forty-two thousand, two hundred fourteen".