1122321444 has 48 divisors (see below), whose sum is σ = 2693230848. Its totient is φ = 363495168.

The previous prime is 1122321439. The next prime is 1122321461. The reversal of 1122321444 is 4441232211.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457429 + ... + 459875.

It is an arithmetic number, because the mean of its divisors is an integer number (56108976).

Almost surely, 2^1122321444 is an apocalyptic number.

It is an amenable number.

1122321444 is an abundant number, since it is smaller than the sum of its proper divisors (1570909404).

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

1122321444 is a wasteful number, since it uses less digits than its factorization.

1122321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3522 counting only the distinct ones).

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

The square root of 1122321444 is about 33501.0663113878. The cubic root of 1122321444 is about 1039.2158302283.

Adding to 1122321444 its reverse (4441232211), we get a palindrome (5563553655).

The spelling of 1122321444 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, four hundred forty-four".