22021010222 has 8 divisors (see below), whose sum is σ = 34770016200. Its totient is φ = 10431004824.

The previous prime is 22021010189. The next prime is 22021010233. The reversal of 22021010222 is 22201012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22021010197 and 22021010206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289750097 + ... + 289750172.

It is an arithmetic number, because the mean of its divisors is an integer number (4346252025).

Almost surely, 2^22021010222 is an apocalyptic number.

22021010222 is a deficient number, since it is larger than the sum of its proper divisors (12749005978).

22021010222 is a wasteful number, since it uses less digits than its factorization.

22021010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579500290.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22021010222 its reverse (22201012022), we get a palindrome (44222022244).

The spelling of 22021010222 in words is "twenty-two billion, twenty-one million, ten thousand, two hundred twenty-two".