1121222344 has 32 divisors (see below), whose sum is σ = 2325723840. Its totient is φ = 502465600.

The previous prime is 1121222341. The next prime is 1121222363. The reversal of 1121222344 is 4432221211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1121222341) 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, 83479 + ... + 95974.

It is an arithmetic number, because the mean of its divisors is an integer number (72678870).

Almost surely, 2^1121222344 is an apocalyptic number.

It is an amenable number.

1121222344 is an abundant number, since it is smaller than the sum of its proper divisors (1204501496).

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

1121222344 is a wasteful number, since it uses less digits than its factorization.

1121222344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179541 (or 179537 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1121222344 is about 33484.6583378120. The cubic root of 1121222344 is about 1038.8764814661.

Adding to 1121222344 its reverse (4432221211), we get a palindrome (5553443555).

The spelling of 1121222344 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred forty-four".