11011222 has 24 divisors (see below), whose sum is σ = 17721072. Its totient is φ = 5130000.

The previous prime is 11011211. The next prime is 11011243. The reversal of 11011222 is 22211011.

It is a junction number, because it is equal to n+sod(n) for n = 11011199 and 11011208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72847 + ... + 72997.

It is an arithmetic number, because the mean of its divisors is an integer number (738378).

Almost surely, 2^11011222 is an apocalyptic number.

11011222 is a deficient number, since it is larger than the sum of its proper divisors (6709850).

11011222 is a wasteful number, since it uses less digits than its factorization.

11011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11011222 is about 3318.3161392489. The cubic root of 11011222 is about 222.4736121549.

Adding to 11011222 its reverse (22211011), we get a palindrome (33222233).

It can be divided in two parts, 11011 and 222, that multiplied together give a palindrome (2444442).

The spelling of 11011222 in words is "eleven million, eleven thousand, two hundred twenty-two".