1002144244 has 12 divisors (see below), whose sum is σ = 1754121600. Its totient is φ = 500966648.

The previous prime is 1002144211. The next prime is 1002144281. The reversal of 1002144244 is 4424412001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614 + ... + 44845.

It is an arithmetic number, because the mean of its divisors is an integer number (146176800).

Almost surely, 2^1002144244 is an apocalyptic number.

It is an amenable number.

1002144244 is a deficient number, since it is larger than the sum of its proper divisors (751977356).

1002144244 is a wasteful number, since it uses less digits than its factorization.

1002144244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52742 (or 52740 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1002144244 is about 31656.6619213081. The cubic root of 1002144244 is about 1000.7142377430.

Adding to 1002144244 its reverse (4424412001), we get a palindrome (5426556245).

The spelling of 1002144244 in words is "one billion, two million, one hundred forty-four thousand, two hundred forty-four".