11022212 has 24 divisors (see below), whose sum is σ = 19790400. Its totient is φ = 5369760.

The previous prime is 11022181. The next prime is 11022217. The reversal of 11022212 is 21222011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11022193 and 11022202.

It is not an unprimeable number, because it can be changed into a prime (11022217) 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, 48443 + ... + 48669.

It is an arithmetic number, because the mean of its divisors is an integer number (824600).

Almost surely, 2^11022212 is an apocalyptic number.

It is an amenable number.

11022212 is a deficient number, since it is larger than the sum of its proper divisors (8768188).

11022212 is a wasteful number, since it uses less digits than its factorization.

11022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11022212 is about 3319.9716866263. The cubic root of 11022212 is about 222.5476024902.

Adding to 11022212 its reverse (21222011), we get a palindrome (32244223).

It can be divided in two parts, 110 and 22212, that added together give a palindrome (22322).

The spelling of 11022212 in words is "eleven million, twenty-two thousand, two hundred twelve".