1244221010 has 8 divisors (see below), whose sum is σ = 2239597836. Its totient is φ = 497688400.

The previous prime is 1244221009. The next prime is 1244221019. The reversal of 1244221010 is 101224421.

It can be written as a sum of positive squares in 2 ways, for example, as 1244184529 + 36481 = 35273^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1244221010.

It is not an unprimeable number, because it can be changed into a prime (1244221019) 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, 62211041 + ... + 62211060.

Almost surely, 2^1244221010 is an apocalyptic number.

1244221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244221010 is a deficient number, since it is larger than the sum of its proper divisors (995376826).

1244221010 is a wasteful number, since it uses less digits than its factorization.

1244221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124422108.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1244221010 is about 35273.5171197883. The cubic root of 1244221010 is about 1075.5547192943.

Adding to 1244221010 its reverse (101224421), we get a palindrome (1345445431).

The spelling of 1244221010 in words is "one billion, two hundred forty-four million, two hundred twenty-one thousand, ten".