2212013421 has 24 divisors (see below), whose sum is σ = 3458626560. Its totient is φ = 1397054952.

The previous prime is 2212013411. The next prime is 2212013437. The reversal of 2212013421 is 1243102122.

It is a happy number.

2212013421 is a `hidden beast` number, since 221 + 20 + 1 + 3 + 421 = 666.

2212013421 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 2212013421 - 2⁵ = 2212013389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2212013394 and 2212013403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212013411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103725 + ... + 123218.

It is an arithmetic number, because the mean of its divisors is an integer number (144109440).

Almost surely, 2^2212013421 is an apocalyptic number.

It is an amenable number.

2212013421 is a deficient number, since it is larger than the sum of its proper divisors (1246613139).

2212013421 is a wasteful number, since it uses less digits than its factorization.

2212013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226990 (or 226965 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2212013421 is about 47032.0467447463. The cubic root of 2212013421 is about 1302.9545072326.

Adding to 2212013421 its reverse (1243102122), we get a palindrome (3455115543).

The spelling of 2212013421 in words is "two billion, two hundred twelve million, thirteen thousand, four hundred twenty-one".