1000002222220 has 96 divisors (see below), whose sum is σ = 2133245419200. Its totient is φ = 393719906304.

The previous prime is 1000002222203. The next prime is 1000002222229. The reversal of 1000002222220 is 222222000001.

1000002222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×1000002222220⁵ (a number of 61 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000002222220.

It is not an unprimeable number, because it can be changed into a prime (1000002222229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385653244 + ... + 385655836.

It is an arithmetic number, because the mean of its divisors is an integer number (22221306450).

Almost surely, 2^{1000002222220} is an apocalyptic number.

1000002222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000002222220 is an abundant number, since it is smaller than the sum of its proper divisors (1133243196980).

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

1000002222220 is a wasteful number, since it uses less digits than its factorization.

1000002222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1000002222220 its reverse (222222000001), we get a palindrome (1222224222221).

The spelling of 1000002222220 in words is "one trillion, two million, two hundred twenty-two thousand, two hundred twenty".