22212400421222 has 8 divisors (see below), whose sum is σ = 36347564325672. Its totient is φ = 10096545646000.

The previous prime is 22212400421137. The next prime is 22212400421261.

22212400421222 is nontrivially palindromic in base 10.

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 = 22212400421191 and 22212400421200.

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 3 ways as a sum of consecutive naturals, for example, 504827282279 + ... + 504827282322.

It is an arithmetic number, because the mean of its divisors is an integer number (4543445540709).

Almost surely, 2^{22212400421222} is an apocalyptic number.

22212400421222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212400421222 is a deficient number, since it is larger than the sum of its proper divisors (14135163904450).

22212400421222 is a wasteful number, since it uses less digits than its factorization.

22212400421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009654564614.

The product of its (nonzero) digits is 4096, while the sum is 26.

It can be divided in two parts, 22212400 and 421222, that added together give a palindrome (22633622).

The spelling of 22212400421222 in words is "twenty-two trillion, two hundred twelve billion, four hundred million, four hundred twenty-one thousand, two hundred twenty-two".