222232200021 has 16 divisors (see below), whose sum is σ = 354558496320. Its totient is φ = 136758276720.

The previous prime is 222232199953. The next prime is 222232200053. The reversal of 222232200021 is 120002232222.

222232200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222232200021 - 2¹⁴ = 222232183637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222232199967 and 222232200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222232200521) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 316569735 + ... + 316570436.

It is an arithmetic number, because the mean of its divisors is an integer number (22159906020).

Almost surely, 2^222232200021 is an apocalyptic number.

It is an amenable number.

222232200021 is a deficient number, since it is larger than the sum of its proper divisors (132326296299).

222232200021 is a wasteful number, since it uses less digits than its factorization.

222232200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633140193 (or 633140187 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222232200021 its reverse (120002232222), we get a palindrome (342234432243).

The spelling of 222232200021 in words is "two hundred twenty-two billion, two hundred thirty-two million, two hundred thousand, twenty-one".