2253236444 has 6 divisors (see below), whose sum is σ = 3943163784. Its totient is φ = 1126618220.

The previous prime is 2253236431. The next prime is 2253236477. The reversal of 2253236444 is 4446323522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281654552 + ... + 281654559.

It is an arithmetic number, because the mean of its divisors is an integer number (657193964).

Almost surely, 2^2253236444 is an apocalyptic number.

It is an amenable number.

2253236444 is a deficient number, since it is larger than the sum of its proper divisors (1689927340).

2253236444 is a wasteful number, since it uses less digits than its factorization.

2253236444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563309115 (or 563309113 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

The square root of 2253236444 is about 47468.2677585774. The cubic root of 2253236444 is about 1310.9986837098.

Adding to 2253236444 its reverse (4446323522), we get a palindrome (6699559966).

The spelling of 2253236444 in words is "two billion, two hundred fifty-three million, two hundred thirty-six thousand, four hundred forty-four".