222001221022 has 16 divisors (see below), whose sum is σ = 393696747360. Its totient is φ = 91862574048.

The previous prime is 222001221017. The next prime is 222001221121. The reversal of 222001221022 is 220122100222.

It is a junction number, because it is equal to n+sod(n) for n = 222001220987 and 222001221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273400113 + ... + 273400924.

It is an arithmetic number, because the mean of its divisors is an integer number (24606046710).

Almost surely, 2^222001221022 is an apocalyptic number.

222001221022 is a deficient number, since it is larger than the sum of its proper divisors (171695526338).

222001221022 is a wasteful number, since it uses less digits than its factorization.

222001221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546801075.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222001221022 its reverse (220122100222), we get a palindrome (442123321244).

The spelling of 222001221022 in words is "two hundred twenty-two billion, one million, two hundred twenty-one thousand, twenty-two".