2412213221 has 8 divisors (see below), whose sum is σ = 2681157024. Its totient is φ = 2151544720.

The previous prime is 2412213211. The next prime is 2412213233. The reversal of 2412213221 is 1223122142.

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 2412213221 - 2¹⁰ = 2412212197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2412213193 and 2412213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2412213211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068211 + ... + 2069376.

It is an arithmetic number, because the mean of its divisors is an integer number (335144628).

Almost surely, 2^2412213221 is an apocalyptic number.

It is an amenable number.

2412213221 is a deficient number, since it is larger than the sum of its proper divisors (268943803).

2412213221 is a wasteful number, since it uses less digits than its factorization.

2412213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137651.

The product of its digits is 384, while the sum is 20.

The square root of 2412213221 is about 49114.2873408543. The cubic root of 2412213221 is about 1341.1331509875.

Adding to 2412213221 its reverse (1223122142), we get a palindrome (3635335363).

It can be divided in two parts, 241221 and 3221, that added together give a palindrome (244442).

The spelling of 2412213221 in words is "two billion, four hundred twelve million, two hundred thirteen thousand, two hundred twenty-one".