1101222234 has 96 divisors (see below), whose sum is σ = 2807011584. Its totient is φ = 305510400.

The previous prime is 1101222233. The next prime is 1101222253. The reversal of 1101222234 is 4322221011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1101222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 687034 + ... + 688634.

It is an arithmetic number, because the mean of its divisors is an integer number (29239704).

Almost surely, 2^1101222234 is an apocalyptic number.

1101222234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101222234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403505792).

1101222234 is an abundant number, since it is smaller than the sum of its proper divisors (1705789350).

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

1101222234 is a wasteful number, since it uses less digits than its factorization.

1101222234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1101222234 is about 33184.6686588852. The cubic root of 1101222234 is about 1032.6623035917.

Adding to 1101222234 its reverse (4322221011), we get a palindrome (5423443245).

The spelling of 1101222234 in words is "one billion, one hundred one million, two hundred twenty-two thousand, two hundred thirty-four".