11123222 has 8 divisors (see below), whose sum is σ = 18201672. Its totient is φ = 5056000.

The previous prime is 11123221. The next prime is 11123243. The reversal of 11123222 is 22232111.

It is a happy number.

11123222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11123222² = 247452135322568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11123197 and 11123206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252779 + ... + 252822.

It is an arithmetic number, because the mean of its divisors is an integer number (2275209).

Almost surely, 2^11123222 is an apocalyptic number.

11123222 is a deficient number, since it is larger than the sum of its proper divisors (7078450).

11123222 is a wasteful number, since it uses less digits than its factorization.

11123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505614.

The product of its digits is 48, while the sum is 14.

The square root of 11123222 is about 3335.1494719128. The cubic root of 11123222 is about 223.2253615362.

Adding to 11123222 its reverse (22232111), we get a palindrome (33355333).

Subtracting 11123222 from its reverse (22232111), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1112 and 3222, that added together give a palindrome (4334).

The spelling of 11123222 in words is "eleven million, one hundred twenty-three thousand, two hundred twenty-two".