222020100202 has 4 divisors (see below), whose sum is σ = 333030150306. Its totient is φ = 111010050100.

The previous prime is 222020100199. The next prime is 222020100209. The reversal of 222020100202 is 202001020222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202001020222 = 2 ⋅101000510111.

It can be written as a sum of positive squares in only one way, i.e., 216346847161 + 5673253041 = 465131^2 + 75321^2 .

It is a super-2 number, since 2×222020100202² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222020100209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505025049 + ... + 55505025052.

Almost surely, 2^222020100202 is an apocalyptic number.

222020100202 is a deficient number, since it is larger than the sum of its proper divisors (111010050104).

222020100202 is a wasteful number, since it uses less digits than its factorization.

222020100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010050103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 222020100202 its reverse (202001020222), we get a palindrome (424021120424).

The spelling of 222020100202 in words is "two hundred twenty-two billion, twenty million, one hundred thousand, two hundred two".