1000202222000 has 80 divisors (see below), whose sum is σ = 2421942423264. Its totient is φ = 399509600000.

The previous prime is 1000202221979. The next prime is 1000202222039. The reversal of 1000202222000 is 2222020001.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1045295 + ... + 1758705.

Almost surely, 2^{1000202222000} is an apocalyptic number.

1000202222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000202222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210971211632).

1000202222000 is an abundant number, since it is smaller than the sum of its proper divisors (1421740201264).

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

1000202222000 is an equidigital number, since it uses as much as digits as its factorization.

1000202222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714135 (or 714119 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1000202222000 its reverse (2222020001), we get a palindrome (1002424242001).

The spelling of 1000202222000 in words is "one trillion, two hundred two million, two hundred twenty-two thousand".