2220222221120 has 28 divisors (see below), whose sum is σ = 5286904164804. Its totient is φ = 888088888320.

The previous prime is 2220222221111. The next prime is 2220222221167. The reversal of 2220222221120 is 211222220222.

It can be written as a sum of positive squares in 2 ways, for example, as 909398733376 + 1310823487744 = 953624^2 + 1144912^2 .

It is a super-2 number, since 2×2220222221120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220222221092 and 2220222221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469096901 + ... + 3469097540.

Almost surely, 2^{2220222221120} is an apocalyptic number.

2220222221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220222221120 is an abundant number, since it is smaller than the sum of its proper divisors (3066681943684).

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

2220222221120 is an equidigital number, since it uses as much as digits as its factorization.

2220222221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938194458 (or 6938194448 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2220222221120 its reverse (211222220222), we get a palindrome (2431444441342).

The spelling of 2220222221120 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".