2244403544 has 8 divisors (see below), whose sum is σ = 4208256660. Its totient is φ = 1122201768.

The previous prime is 2244403541. The next prime is 2244403559. The reversal of 2244403544 is 4453044422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2244403544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244403541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140275214 + ... + 140275229.

Almost surely, 2^2244403544 is an apocalyptic number.

It is an amenable number.

2244403544 is a deficient number, since it is larger than the sum of its proper divisors (1963853116).

2244403544 is a wasteful number, since it uses less digits than its factorization.

2244403544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280550449 (or 280550445 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 2244403544 is about 47375.1363480888. The cubic root of 2244403544 is about 1309.2833607270.

Adding to 2244403544 its reverse (4453044422), we get a palindrome (6697447966).

The spelling of 2244403544 in words is "two billion, two hundred forty-four million, four hundred three thousand, five hundred forty-four".