1002223321255 has 16 divisors (see below), whose sum is σ = 1371368021184. Its totient is φ = 696567882240.

The previous prime is 1002223321243. The next prime is 1002223321271. The reversal of 1002223321255 is 5521233222001.

It is not a de Polignac number, because 1002223321255 - 2⁹ = 1002223320743 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 453493611 + ... + 453495820.

It is an arithmetic number, because the mean of its divisors is an integer number (85710501324).

Almost surely, 2^{1002223321255} is an apocalyptic number.

1002223321255 is a deficient number, since it is larger than the sum of its proper divisors (369144699929).

1002223321255 is a wasteful number, since it uses less digits than its factorization.

1002223321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906989466.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1002223321255 its reverse (5521233222001), we get a palindrome (6523456543256).

The spelling of 1002223321255 in words is "one trillion, two billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred fifty-five".