1222222020202 has 8 divisors (see below), whose sum is σ = 1867924219716. Its totient is φ = 599580613632.

The previous prime is 1222222020179. The next prime is 1222222020209. The reversal of 1222222020202 is 2020202222221.

It can be written as a sum of positive squares in 2 ways, for example, as 1053416902321 + 168805117881 = 1026361^2 + 410859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222222020202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222222020202.

It is not an unprimeable number, because it can be changed into a prime (1222222020209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765198103 + ... + 5765198314.

Almost surely, 2^{1222222020202} is an apocalyptic number.

1222222020202 is a deficient number, since it is larger than the sum of its proper divisors (645702199514).

1222222020202 is a wasteful number, since it uses less digits than its factorization.

1222222020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530396472.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 1222222020202 its reverse (2020202222221), we get a palindrome (3242424242423).

The spelling of 1222222020202 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred two".