221202022022 has 4 divisors (see below), whose sum is σ = 331803033036. Its totient is φ = 110601011010.

The previous prime is 221202021983. The next prime is 221202022051. The reversal of 221202022022 is 220220202122.

221202022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55300505504 + ... + 55300505507.

It is an arithmetic number, because the mean of its divisors is an integer number (82950758259).

Almost surely, 2^221202022022 is an apocalyptic number.

221202022022 is a deficient number, since it is larger than the sum of its proper divisors (110601011014).

221202022022 is a wasteful number, since it uses less digits than its factorization.

221202022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110601011013.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 221202022022 its reverse (220220202122), we get a palindrome (441422224144).

The spelling of 221202022022 in words is "two hundred twenty-one billion, two hundred two million, twenty-two thousand, twenty-two".