2421222404 has 12 divisors (see below), whose sum is σ = 4296817728. Its totient is φ = 1193560200.

The previous prime is 2421222403. The next prime is 2421222451. The reversal of 2421222404 is 4042221242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421222404.

It is not an unprimeable number, because it can be changed into a prime (2421222403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262432 + ... + 4262999.

It is an arithmetic number, because the mean of its divisors is an integer number (358068144).

Almost surely, 2^2421222404 is an apocalyptic number.

It is an amenable number.

2421222404 is a deficient number, since it is larger than the sum of its proper divisors (1875595324).

2421222404 is a wasteful number, since it uses less digits than its factorization.

2421222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525506 (or 8525504 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2421222404 is about 49205.9183838692. The cubic root of 2421222404 is about 1342.8007071564.

Adding to 2421222404 its reverse (4042221242), we get a palindrome (6463443646).

The spelling of 2421222404 in words is "two billion, four hundred twenty-one million, two hundred twenty-two thousand, four hundred four".