222020128202 has 4 divisors (see below), whose sum is σ = 333030192306. Its totient is φ = 111010064100.

The previous prime is 222020128201. The next prime is 222020128207. The reversal of 222020128202 is 202821020222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221851362121 + 168766081 = 471011^2 + 12991^2 .

It is not an unprimeable number, because it can be changed into a prime (222020128201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505032049 + ... + 55505032052.

Almost surely, 2^222020128202 is an apocalyptic number.

222020128202 is a deficient number, since it is larger than the sum of its proper divisors (111010064104).

222020128202 is a wasteful number, since it uses less digits than its factorization.

222020128202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010064103.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222020128202 its reverse (202821020222), we get a palindrome (424841148424).

The spelling of 222020128202 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-eight thousand, two hundred two".