2222144043421 has 8 divisors (see below), whose sum is σ = 2225656471104. Its totient is φ = 2218631857440.

The previous prime is 2222144043377. The next prime is 2222144043433. The reversal of 2222144043421 is 1243404412222.

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

It is a cyclic number.

It is not a de Polignac number, because 2222144043421 - 2¹⁹ = 2222143519133 is a prime.

It is a super-2 number, since 2×2222144043421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222144043481) 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 7 ways as a sum of consecutive naturals, for example, 30224121 + ... + 30297553.

It is an arithmetic number, because the mean of its divisors is an integer number (278207058888).

Almost surely, 2^{2222144043421} is an apocalyptic number.

It is an amenable number.

2222144043421 is a deficient number, since it is larger than the sum of its proper divisors (3512427683).

2222144043421 is an equidigital number, since it uses as much as digits as its factorization.

2222144043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120851.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2222144043421 its reverse (1243404412222), we get a palindrome (3465548455643).

The spelling of 2222144043421 in words is "two trillion, two hundred twenty-two billion, one hundred forty-four million, forty-three thousand, four hundred twenty-one".