1000222019985 has 16 divisors (see below), whose sum is σ = 1600692192000. Its totient is φ = 533339424000.

The previous prime is 1000222019969. The next prime is 1000222020001. The reversal of 1000222019985 is 5899102220001.

It is an interprime number because it is at equal distance from previous prime (1000222019969) and next prime (1000222020001).

It is not a de Polignac number, because 1000222019985 - 2⁴ = 1000222019969 is a prime.

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, 6946360 + ... + 7088889.

It is an arithmetic number, because the mean of its divisors is an integer number (100043262000).

Almost surely, 2^{1000222019985} is an apocalyptic number.

1000222019985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000222019985 is a deficient number, since it is larger than the sum of its proper divisors (600470172015).

1000222019985 is a wasteful number, since it uses less digits than its factorization.

1000222019985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040008.

The product of its (nonzero) digits is 25920, while the sum is 39.

Adding to 1000222019985 its reverse (5899102220001), we get a palindrome (6899324239986).

The spelling of 1000222019985 in words is "one trillion, two hundred twenty-two million, nineteen thousand, nine hundred eighty-five".