2244404136 has 128 divisors (see below), whose sum is σ = 6167145600. Its totient is φ = 676515840.

The previous prime is 2244404119. The next prime is 2244404143. The reversal of 2244404136 is 6314044422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3637300 + ... + 3637916.

It is an arithmetic number, because the mean of its divisors is an integer number (48180825).

Almost surely, 2^2244404136 is an apocalyptic number.

2244404136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244404136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083572800).

2244404136 is an abundant number, since it is smaller than the sum of its proper divisors (3922741464).

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

2244404136 is a wasteful number, since it uses less digits than its factorization.

2244404136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2244404136 is about 47375.1425960915. The cubic root of 2244404136 is about 1309.2834758423.

Adding to 2244404136 its reverse (6314044422), we get a palindrome (8558448558).

The spelling of 2244404136 in words is "two billion, two hundred forty-four million, four hundred four thousand, one hundred thirty-six".