1122444340 has 12 divisors (see below), whose sum is σ = 2357133156. Its totient is φ = 448977728.

The previous prime is 1122444319. The next prime is 1122444343. The reversal of 1122444340 is 434442211.

It can be written as a sum of positive squares in 2 ways, for example, as 354267684 + 768176656 = 18822^2 + 27716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122444343) 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 3 ways as a sum of consecutive naturals, for example, 28061089 + ... + 28061128.

It is an arithmetic number, because the mean of its divisors is an integer number (196427763).

Almost surely, 2^1122444340 is an apocalyptic number.

1122444340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122444340 is an abundant number, since it is smaller than the sum of its proper divisors (1234688816).

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

1122444340 is a wasteful number, since it uses less digits than its factorization.

1122444340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56122226 (or 56122224 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1122444340 is about 33502.9004714517. The cubic root of 1122444340 is about 1039.2537607778.

Adding to 1122444340 its reverse (434442211), we get a palindrome (1556886551).

The spelling of 1122444340 in words is "one billion, one hundred twenty-two million, four hundred forty-four thousand, three hundred forty".