11022156 has 30 divisors (see below), whose sum is σ = 28814940. Its totient is φ = 3673944.

The previous prime is 11022139. The next prime is 11022169. The reversal of 11022156 is 65122011.

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

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 9 ways as a sum of consecutive naturals, for example, 16686 + ... + 17333.

It is an arithmetic number, because the mean of its divisors is an integer number (960498).

Almost surely, 2^11022156 is an apocalyptic number.

It is an amenable number.

11022156 is an abundant number, since it is smaller than the sum of its proper divisors (17792784).

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

11022156 is a wasteful number, since it uses less digits than its factorization.

11022156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34035 (or 34024 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11022156 is about 3319.9632528087. The cubic root of 11022156 is about 222.5472255941.

Adding to 11022156 its reverse (65122011), we get a palindrome (76144167).

The spelling of 11022156 in words is "eleven million, twenty-two thousand, one hundred fifty-six".