1000002022220 has 48 divisors (see below), whose sum is σ = 2210758824960. Its totient is φ = 378909042624.

The previous prime is 1000002022207. The next prime is 1000002022259. The reversal of 1000002022220 is 222202000001.

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, 3694757 + ... + 3956163.

It is an arithmetic number, because the mean of its divisors is an integer number (46057475520).

Almost surely, 2^{1000002022220} is an apocalyptic number.

1000002022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000002022220 is an abundant number, since it is smaller than the sum of its proper divisors (1210756802740).

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

1000002022220 is a wasteful number, since it uses less digits than its factorization.

1000002022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271502 (or 271500 counting only the distinct ones).

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

Adding to 1000002022220 its reverse (222202000001), we get a palindrome (1222204022221).

The spelling of 1000002022220 in words is "one trillion, two million, twenty-two thousand, two hundred twenty".