22221201220202 has 64 divisors (see below), whose sum is σ = 35124079161600. Its totient is φ = 10529731054080.

The previous prime is 22221201220199. The next prime is 22221201220271. The reversal of 22221201220202 is 20202210212222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320446478 + ... + 320515814.

It is an arithmetic number, because the mean of its divisors is an integer number (548813736900).

Almost surely, 2^{22221201220202} is an apocalyptic number.

22221201220202 is a deficient number, since it is larger than the sum of its proper divisors (12902877941398).

22221201220202 is a wasteful number, since it uses less digits than its factorization.

22221201220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69951.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22221201220202 its reverse (20202210212222), we get a palindrome (42423411432424).

The spelling of 22221201220202 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty thousand, two hundred two".