222001220022 has 16 divisors (see below), whose sum is σ = 467370989760. Its totient is φ = 70105648392.

The previous prime is 222001219991. The next prime is 222001220029. The reversal of 222001220022 is 220022100222.

It is a junction number, because it is equal to n+sod(n) for n = 222001219983 and 222001220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001220029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973689448 + ... + 973689675.

It is an arithmetic number, because the mean of its divisors is an integer number (29210686860).

Almost surely, 2^222001220022 is an apocalyptic number.

222001220022 is an abundant number, since it is smaller than the sum of its proper divisors (245369769738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222001220022 is a wasteful number, since it uses less digits than its factorization.

222001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947379147.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222001220022 its reverse (220022100222), we get a palindrome (442023320244).

The spelling of 222001220022 in words is "two hundred twenty-two billion, one million, two hundred twenty thousand, twenty-two".