11021922 has 48 divisors (see below), whose sum is σ = 25309440. Its totient is φ = 3459456.

The previous prime is 11021917. The next prime is 11021929. The reversal of 11021922 is 22912011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021895 and 11021904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32538 + ... + 32874.

It is an arithmetic number, because the mean of its divisors is an integer number (527280).

Almost surely, 2^11021922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12654720).

11021922 is an abundant number, since it is smaller than the sum of its proper divisors (14287518).

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

11021922 is a wasteful number, since it uses less digits than its factorization.

11021922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11021922 is about 3319.9280112677. The cubic root of 11021922 is about 222.5456506929.

Adding to 11021922 its reverse (22912011), we get a palindrome (33933933).

The spelling of 11021922 in words is "eleven million, twenty-one thousand, nine hundred twenty-two".