2202220411220 has 24 divisors (see below), whose sum is σ = 4630241502600. Its totient is φ = 879825566592.

The previous prime is 2202220411217. The next prime is 2202220411241. The reversal of 2202220411220 is 221140222022.

It can be written as a sum of positive squares in 4 ways, for example, as 548763897796 + 1653456513424 = 740786^2 + 1285868^2 .

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 = 2202220411192 and 2202220411201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66395375 + ... + 66428534.

It is an arithmetic number, because the mean of its divisors is an integer number (192926729275).

Almost surely, 2^{2202220411220} is an apocalyptic number.

2202220411220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202220411220 is an abundant number, since it is smaller than the sum of its proper divisors (2428021091380).

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

2202220411220 is a wasteful number, since it uses less digits than its factorization.

2202220411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132824747 (or 132824745 counting only the distinct ones).

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

Adding to 2202220411220 its reverse (221140222022), we get a palindrome (2423360633242).

The spelling of 2202220411220 in words is "two trillion, two hundred two billion, two hundred twenty million, four hundred eleven thousand, two hundred twenty".