11322222 has 16 divisors (see below), whose sum is σ = 23256912. Its totient is φ = 3672000.

The previous prime is 11322217. The next prime is 11322229. The reversal of 11322222 is 22222311.

It is a happy number.

It is a super-2 number, since 2×11322222² = 256385422034568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

11322222 is a modest number, since divided by 2222 gives 1132 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25279 + ... + 25722.

It is an arithmetic number, because the mean of its divisors is an integer number (1453557).

Almost surely, 2^11322222 is an apocalyptic number.

11322222 is an abundant number, since it is smaller than the sum of its proper divisors (11934690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11322222 is a wasteful number, since it uses less digits than its factorization.

11322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51043.

The product of its digits is 96, while the sum is 15.

The square root of 11322222 is about 3364.8509625242. The cubic root of 11322222 is about 224.5487052955.

Adding to 11322222 its reverse (22222311), we get a palindrome (33544533).

The spelling of 11322222 in words is "eleven million, three hundred twenty-two thousand, two hundred twenty-two".