11642222 has 8 divisors (see below), whose sum is σ = 17500656. Its totient is φ = 5808672.

The previous prime is 11642219. The next prime is 11642243. The reversal of 11642222 is 22224611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11642222 is a modest number, since divided by 2222 gives 1164 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11642194 and 11642203.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 5003 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (2187582).

Almost surely, 2^11642222 is an apocalyptic number.

11642222 is a deficient number, since it is larger than the sum of its proper divisors (5858434).

11642222 is a wasteful number, since it uses less digits than its factorization.

11642222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its digits is 384, while the sum is 20.

The square root of 11642222 is about 3412.0700461743. The cubic root of 11642222 is about 226.6445561862.

Adding to 11642222 its reverse (22224611), we get a palindrome (33866833).

The spelling of 11642222 in words is "eleven million, six hundred forty-two thousand, two hundred twenty-two".