11442222 has 40 divisors (see below), whose sum is σ = 27974232. Its totient is φ = 3466800.

The previous prime is 11442209. The next prime is 11442227. The reversal of 11442222 is 22224411.

11442222 is a `hidden beast` number, since 1 + 1 + 442 + 222 = 666.

11442222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

11442222 is a modest number, since divided by 2222 gives 1144 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11442195 and 11442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1429 + ... + 4992.

Almost surely, 2^11442222 is an apocalyptic number.

11442222 is an abundant number, since it is smaller than the sum of its proper divisors (16532010).

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

11442222 is a wasteful number, since it uses less digits than its factorization.

11442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446 (or 6437 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 11442222 is about 3382.6353631451. The cubic root of 11442222 is about 225.3392216482.

Adding to 11442222 its reverse (22224411), we get a palindrome (33666633).

It can be divided in two parts, 11442 and 222, that added together give a square (11664 = 108²).

The spelling of 11442222 in words is "eleven million, four hundred forty-two thousand, two hundred twenty-two".