22212022021222 has 16 divisors (see below), whose sum is σ = 36347523609600. Its totient is φ = 10096212956040.

The previous prime is 22212022021207. The next prime is 22212022021283.

22212022021222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22212022021193 and 22212022021202.

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, 6615222 + ... + 9390697.

It is an arithmetic number, because the mean of its divisors is an integer number (2271720225600).

Almost surely, 2^{22212022021222} is an apocalyptic number.

22212022021222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212022021222 is a deficient number, since it is larger than the sum of its proper divisors (14135501588378).

22212022021222 is a wasteful number, since it uses less digits than its factorization.

22212022021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16069011.

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 22212022021222 by its sum of digits (22), we get a palindrome (488664484466884).

It can be divided in two parts, 2221202 and 2021222, that added together give a palindrome (4242424).

The spelling of 22212022021222 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, two hundred twenty-two".