221000220022 has 16 divisors (see below), whose sum is σ = 332396274672. Its totient is φ = 110201717920.

The previous prime is 221000220017. The next prime is 221000220041. The reversal of 221000220022 is 220022000122.

221000220022 is a modest number, since divided by 220022 gives 2210 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 221000219984 and 221000220011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695408 + ... + 1821100.

It is an arithmetic number, because the mean of its divisors is an integer number (20774767167).

Almost surely, 2^221000220022 is an apocalyptic number.

221000220022 is a deficient number, since it is larger than the sum of its proper divisors (111396054650).

221000220022 is a wasteful number, since it uses less digits than its factorization.

221000220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128063.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 221000220022 its reverse (220022000122), we get a palindrome (441022220144).

The spelling of 221000220022 in words is "two hundred twenty-one billion, two hundred twenty thousand, twenty-two".