1244221044 has 48 divisors (see below), whose sum is σ = 3169526976. Its totient is φ = 376748800.

The previous prime is 1244221031. The next prime is 1244221051. The reversal of 1244221044 is 4401224421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224434 + ... + 229910.

It is an arithmetic number, because the mean of its divisors is an integer number (66031812).

Almost surely, 2^1244221044 is an apocalyptic number.

It is an amenable number.

1244221044 is an abundant number, since it is smaller than the sum of its proper divisors (1925305932).

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

1244221044 is a wasteful number, since it uses less digits than its factorization.

1244221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1244221044 is about 35273.5176017363. The cubic root of 1244221044 is about 1075.5547290912.

Adding to 1244221044 its reverse (4401224421), we get a palindrome (5645445465).

The spelling of 1244221044 in words is "one billion, two hundred forty-four million, two hundred twenty-one thousand, forty-four".