11155222 has 16 divisors (see below), whose sum is σ = 18077472. Its totient is φ = 5132160.

The previous prime is 11155219. The next prime is 11155267. The reversal of 11155222 is 22255111.

11155222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11155222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12222 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (1129842).

Almost surely, 2^11155222 is an apocalyptic number.

11155222 is a deficient number, since it is larger than the sum of its proper divisors (6922250).

11155222 is a wasteful number, since it uses less digits than its factorization.

11155222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its digits is 200, while the sum is 19.

The square root of 11155222 is about 3339.9434126943. The cubic root of 11155222 is about 223.4392196096.

The spelling of 11155222 in words is "eleven million, one hundred fifty-five thousand, two hundred twenty-two".