11220022 has 16 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 5074920.

The previous prime is 11220007. The next prime is 11220029. The reversal of 11220022 is 22002211.

11220022 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 junction number, because it is equal to n+sod(n) for n = 11219990 and 11220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220029) 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, 3763 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^11220022 is an apocalyptic number.

11220022 is a deficient number, since it is larger than the sum of its proper divisors (7230410).

11220022 is a wasteful number, since it uses less digits than its factorization.

11220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 11220022 is about 3349.6301288351. The cubic root of 11220022 is about 223.8710327984.

Adding to 11220022 its reverse (22002211), we get a palindrome (33222233).

It can be divided in two parts, 1122002 and 2, that multiplied together give a square (2244004 = 1498²).

The spelling of 11220022 in words is "eleven million, two hundred twenty thousand, twenty-two".