11222210 has 32 divisors (see below), whose sum is σ = 21555072. Its totient is φ = 4192000.

The previous prime is 11222209. The next prime is 11222219. The reversal of 11222210 is 1222211.

It is a happy number.

11222210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11222191 and 11222200.

It is not an unprimeable number, because it can be changed into a prime (11222219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42539 + ... + 42801.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^11222210 is an apocalyptic number.

11222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222210 is a deficient number, since it is larger than the sum of its proper divisors (10332862).

11222210 is a wasteful number, since it uses less digits than its factorization.

11222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

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

The square root of 11222210 is about 3349.9567161383. The cubic root of 11222210 is about 223.8855841063.

Adding to 11222210 its reverse (1222211), we get a palindrome (12444421).

Subtracting from 11222210 its reverse (1222211), we obtain a palindrome (9999999).

It can be divided in two parts, 112 and 22210, that added together give a palindrome (22322).

The spelling of 11222210 in words is "eleven million, two hundred twenty-two thousand, two hundred ten".