2212422423421 has 32 divisors (see below), whose sum is σ = 2651075532800. Its totient is φ = 1844232364800.

The previous prime is 2212422423391. The next prime is 2212422423433. The reversal of 2212422423421 is 1243242242122.

2212422423421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212422423421 - 2¹⁵ = 2212422390653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212422423461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27384916 + ... + 27465586.

It is an arithmetic number, because the mean of its divisors is an integer number (82846110400).

Almost surely, 2^{2212422423421} is an apocalyptic number.

It is an amenable number.

2212422423421 is a deficient number, since it is larger than the sum of its proper divisors (438653109379).

2212422423421 is an equidigital number, since it uses as much as digits as its factorization.

2212422423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82890 (or 82876 counting only the distinct ones).

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

Adding to 2212422423421 its reverse (1243242242122), we get a palindrome (3455664665543).

The spelling of 2212422423421 in words is "two trillion, two hundred twelve billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred twenty-one".