11219222 has 16 divisors (see below), whose sum is σ = 19334400. Its totient is φ = 4782888.

The previous prime is 11219209. The next prime is 11219231. The reversal of 11219222 is 22291211.

It is a happy number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11219194 and 11219203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (1208400).

Almost surely, 2^11219222 is an apocalyptic number.

11219222 is a deficient number, since it is larger than the sum of its proper divisors (8115178).

11219222 is a wasteful number, since it uses less digits than its factorization.

11219222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its digits is 144, while the sum is 20.

The square root of 11219222 is about 3349.5107105367. The cubic root of 11219222 is about 223.8657119211.

The spelling of 11219222 in words is "eleven million, two hundred nineteen thousand, two hundred twenty-two".