11102222 has 4 divisors (see below), whose sum is σ = 16653336. Its totient is φ = 5551110.

The previous prime is 11102219. The next prime is 11102227. The reversal of 11102222 is 22220111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22220111 = 3677 ⋅6043.

11102222 is a modest number, since divided by 2222 gives 1110 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775554 + ... + 2775557.

It is an arithmetic number, because the mean of its divisors is an integer number (4163334).

Almost surely, 2^11102222 is an apocalyptic number.

11102222 is a deficient number, since it is larger than the sum of its proper divisors (5551114).

11102222 is an equidigital number, since it uses as much as digits as its factorization.

11102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551113.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11102222 is about 3331.9996998799. Note that the first 3 decimals coincide. The cubic root of 11102222 is about 223.0847941794.

Adding to 11102222 its reverse (22220111), we get a palindrome (33322333).

The spelling of 11102222 in words is "eleven million, one hundred two thousand, two hundred twenty-two".