1002225245444 has 6 divisors (see below), whose sum is σ = 1753894179534. Its totient is φ = 501112622720.

The previous prime is 1002225245407. The next prime is 1002225245447. The reversal of 1002225245444 is 4445425222001.

It can be written as a sum of positive squares in only one way, i.e., 716308322500 + 285916922944 = 846350^2 + 534712^2 .

It is a super-3 number, since 3×1002225245444³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002225245447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125278155677 + ... + 125278155684.

It is an arithmetic number, because the mean of its divisors is an integer number (292315696589).

Almost surely, 2^{1002225245444} is an apocalyptic number.

It is an amenable number.

1002225245444 is a deficient number, since it is larger than the sum of its proper divisors (751668934090).

1002225245444 is a wasteful number, since it uses less digits than its factorization.

1002225245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250556311365 (or 250556311363 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

The spelling of 1002225245444 in words is "one trillion, two billion, two hundred twenty-five million, two hundred forty-five thousand, four hundred forty-four".