1105212222 has 32 divisors (see below), whose sum is σ = 2461939200. Its totient is φ = 367517304.

The previous prime is 1105212221. The next prime is 1105212239. The reversal of 1105212222 is 2222125011.

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 = 1105212195 and 1105212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798 + ... + 47049.

It is an arithmetic number, because the mean of its divisors is an integer number (76935600).

Almost surely, 2^1105212222 is an apocalyptic number.

1105212222 is an abundant number, since it is smaller than the sum of its proper divisors (1356726978).

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

1105212222 is a wasteful number, since it uses less digits than its factorization.

1105212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49277 (or 49271 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1105212222 is about 33244.7322443722. The cubic root of 1105212222 is about 1033.9079933897.

Adding to 1105212222 its reverse (2222125011), we get a palindrome (3327337233).

The spelling of 1105212222 in words is "one billion, one hundred five million, two hundred twelve thousand, two hundred twenty-two".