11422222 has 16 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 4790808.

The previous prime is 11422217. The next prime is 11422241. The reversal of 11422222 is 22222411.

11422222 is a modest number, since divided by 2222 gives 1142 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11422196 and 11422205.

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, 8022 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^11422222 is an apocalyptic number.

11422222 is a deficient number, since it is larger than the sum of its proper divisors (8576498).

11422222 is a wasteful number, since it uses less digits than its factorization.

11422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415.

The product of its digits is 128, while the sum is 16.

The square root of 11422222 is about 3379.6777952935. The cubic root of 11422222 is about 225.2078540168.

Adding to 11422222 its reverse (22222411), we get a palindrome (33644633).

It can be divided in two parts, 114222 and 22, that added together give a square (114244 = 338²).

The spelling of 11422222 in words is "eleven million, four hundred twenty-two thousand, two hundred twenty-two".