22021210222 has 16 divisors (see below), whose sum is σ = 36528336432. Its totient is φ = 9872521920.

The previous prime is 22021210213. The next prime is 22021210231. The reversal of 22021210222 is 22201212022.

It is an interprime number because it is at equal distance from previous prime (22021210213) and next prime (22021210231).

It is a junction number, because it is equal to n+sod(n) for n = 22021210196 and 22021210205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6854313 + ... + 6857524.

It is an arithmetic number, because the mean of its divisors is an integer number (2283021027).

Almost surely, 2^22021210222 is an apocalyptic number.

22021210222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021210222 is a deficient number, since it is larger than the sum of its proper divisors (14507126210).

22021210222 is a wasteful number, since it uses less digits than its factorization.

22021210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711923.

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

Adding to 22021210222 its reverse (22201212022), we get a palindrome (44222422244).

The spelling of 22021210222 in words is "twenty-two billion, twenty-one million, two hundred ten thousand, two hundred twenty-two".