2221122303020 has 24 divisors (see below), whose sum is σ = 4664390637984. Its totient is φ = 888442482816.

The previous prime is 2221122302963. The next prime is 2221122303079. The reversal of 2221122303020 is 203032211222.

It is a happy number.

It is a super-2 number, since 2×2221122303020² (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 = 2221122302983 and 2221122303001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223169 + ... + 3851111.

It is an arithmetic number, because the mean of its divisors is an integer number (194349609916).

Almost surely, 2^{2221122303020} is an apocalyptic number.

2221122303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221122303020 is an abundant number, since it is smaller than the sum of its proper divisors (2443268334964).

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

2221122303020 is a wasteful number, since it uses less digits than its factorization.

2221122303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804809 (or 804807 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2221122303020 its reverse (203032211222), we get a palindrome (2424154514242).

The spelling of 2221122303020 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred three thousand, twenty".