11442216 has 16 divisors (see below), whose sum is σ = 28605600. Its totient is φ = 3814064.

The previous prime is 11442209. The next prime is 11442227. The reversal of 11442216 is 61224411.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11442192 and 11442201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238356 + ... + 238403.

It is an arithmetic number, because the mean of its divisors is an integer number (1787850).

Almost surely, 2^11442216 is an apocalyptic number.

It is an amenable number.

11442216 is an abundant number, since it is smaller than the sum of its proper divisors (17163384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11442216 is a wasteful number, since it uses less digits than its factorization.

11442216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476768 (or 476764 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 11442216 is about 3382.6344762625. The cubic root of 11442216 is about 225.3391822609.

Adding to 11442216 its reverse (61224411), we get a palindrome (72666627).

The spelling of 11442216 in words is "eleven million, four hundred forty-two thousand, two hundred sixteen".