11221146 has 16 divisors (see below), whose sum is σ = 24936000. Its totient is φ = 3740364.

The previous prime is 11221141. The next prime is 11221159. The reversal of 11221146 is 64112211.

11221146 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).

It is not an unprimeable number, because it can be changed into a prime (11221141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103846 + ... + 103953.

It is an arithmetic number, because the mean of its divisors is an integer number (1558500).

Almost surely, 2^11221146 is an apocalyptic number.

11221146 is an abundant number, since it is smaller than the sum of its proper divisors (13714854).

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

11221146 is a wasteful number, since it uses less digits than its factorization.

11221146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207810 (or 207804 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 11221146 is about 3349.7979043518. The cubic root of 11221146 is about 223.8785082038.

Adding to 11221146 its reverse (64112211), we get a palindrome (75333357).

The spelling of 11221146 in words is "eleven million, two hundred twenty-one thousand, one hundred forty-six".