1002222122320 has 40 divisors (see below), whose sum is σ = 2330618018400. Its totient is φ = 400811157120.

The previous prime is 1002222122299. The next prime is 1002222122339. The reversal of 1002222122320 is 232212222001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797670 + ... + 1625029.

It is an arithmetic number, because the mean of its divisors is an integer number (58265450460).

Almost surely, 2^{1002222122320} is an apocalyptic number.

1002222122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002222122320 is an abundant number, since it is smaller than the sum of its proper divisors (1328395896080).

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

1002222122320 is a wasteful number, since it uses less digits than its factorization.

1002222122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427883 (or 2427877 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1002222122320 its reverse (232212222001), we get a palindrome (1234434344321).

The spelling of 1002222122320 in words is "one trillion, two billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred twenty".