1122002444 has 6 divisors (see below), whose sum is σ = 1963504284. Its totient is φ = 561001220.

The previous prime is 1122002389. The next prime is 1122002449. The reversal of 1122002444 is 4442002211.

It is not an unprimeable number, because it can be changed into a prime (1122002449) by changing a digit.

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 as a sum of consecutive naturals, namely, 140250302 + ... + 140250309.

It is an arithmetic number, because the mean of its divisors is an integer number (327250714).

Almost surely, 2^1122002444 is an apocalyptic number.

It is an amenable number.

1122002444 is a deficient number, since it is larger than the sum of its proper divisors (841501840).

1122002444 is a wasteful number, since it uses less digits than its factorization.

1122002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280500615 (or 280500613 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1122002444 is about 33496.3049305442. The cubic root of 1122002444 is about 1039.1173613315.

Adding to 1122002444 its reverse (4442002211), we get a palindrome (5564004655).

The spelling of 1122002444 in words is "one billion, one hundred twenty-two million, two thousand, four hundred forty-four".