1121344422 has 64 divisors (see below), whose sum is σ = 2530165248. Its totient is φ = 328320000.

The previous prime is 1121344409. The next prime is 1121344423. The reversal of 1121344422 is 2244431211.

It is a junction number, because it is equal to n+sod(n) for n = 1121344392 and 1121344401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121344423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367222 + ... + 370262.

It is an arithmetic number, because the mean of its divisors is an integer number (39533832).

Almost surely, 2^1121344422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121344422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265082624).

1121344422 is an abundant number, since it is smaller than the sum of its proper divisors (1408820826).

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

1121344422 is a wasteful number, since it uses less digits than its factorization.

1121344422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245.

The product of its digits is 1536, while the sum is 24.

The square root of 1121344422 is about 33486.4811827101. The cubic root of 1121344422 is about 1038.9141841755.

Adding to 1121344422 its reverse (2244431211), we get a palindrome (3365775633).

It can be divided in two parts, 1121 and 344422, that added together give a palindrome (345543).

The spelling of 1121344422 in words is "one billion, one hundred twenty-one million, three hundred forty-four thousand, four hundred twenty-two".