1000222102220 has 48 divisors (see below), whose sum is σ = 2292638342400. Its totient is φ = 363523408320.

The previous prime is 1000222102219. The next prime is 1000222102249. The reversal of 1000222102220 is 222012220001.

It is a super-2 number, since 2×1000222102220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000222102195 and 1000222102204.

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, 796430 + ... + 1623189.

It is an arithmetic number, because the mean of its divisors is an integer number (47763298800).

Almost surely, 2^{1000222102220} is an apocalyptic number.

1000222102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000222102220 is an abundant number, since it is smaller than the sum of its proper divisors (1292416240180).

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

1000222102220 is a wasteful number, since it uses less digits than its factorization.

1000222102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421518 (or 2421516 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000222102220 its reverse (222012220001), we get a palindrome (1222234322221).

The spelling of 1000222102220 in words is "one trillion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".