1244334220 has 12 divisors (see below), whose sum is σ = 2613101904. Its totient is φ = 497733680.

The previous prime is 1244334209. The next prime is 1244334269. The reversal of 1244334220 is 224334421.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 31108336 + ... + 31108375.

It is an arithmetic number, because the mean of its divisors is an integer number (217758492).

Almost surely, 2^1244334220 is an apocalyptic number.

1244334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244334220 is an abundant number, since it is smaller than the sum of its proper divisors (1368767684).

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

1244334220 is a wasteful number, since it uses less digits than its factorization.

1244334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62216720 (or 62216718 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1244334220 is about 35275.1218282801. The cubic root of 1244334220 is about 1075.5873393984.

Adding to 1244334220 its reverse (224334421), we get a palindrome (1468668641).

The spelling of 1244334220 in words is "one billion, two hundred forty-four million, three hundred thirty-four thousand, two hundred twenty".