1002203001444 has 48 divisors (see below), whose sum is σ = 2484842584896. Its totient is φ = 313297689600.

The previous prime is 1002203001379. The next prime is 1002203001551. The reversal of 1002203001444 is 4441003022001.

It is a super-2 number, since 2×1002203001444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002203001444.

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, 8684242 + ... + 8798889.

It is an arithmetic number, because the mean of its divisors is an integer number (51767553852).

Almost surely, 2^{1002203001444} is an apocalyptic number.

It is an amenable number.

1002203001444 is an abundant number, since it is smaller than the sum of its proper divisors (1482639583452).

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

1002203001444 is a wasteful number, since it uses less digits than its factorization.

1002203001444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17483436 (or 17483434 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1002203001444 its reverse (4441003022001), we get a palindrome (5443206023445).

The spelling of 1002203001444 in words is "one trillion, two billion, two hundred three million, one thousand, four hundred forty-four".