4224421423404 has 72 divisors (see below), whose sum is σ = 13142644438560. Its totient is φ = 1114133121792.

The previous prime is 4224421423403. The next prime is 4224421423427. The reversal of 4224421423404 is 4043241244224.

4224421423404 is a `hidden beast` number, since 4 + 2 + 244 + 2 + 1 + 4 + 2 + 3 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4224421423403) 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, 644749689 + ... + 644756240.

Almost surely, 2^{4224421423404} is an apocalyptic number.

It is an amenable number.

4224421423404 is an abundant number, since it is smaller than the sum of its proper divisors (8918223015156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4224421423404 is a wasteful number, since it uses less digits than its factorization.

4224421423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289505959 (or 1289505954 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4224421423404 its reverse (4043241244224), we get a palindrome (8267662667628).

The spelling of 4224421423404 in words is "four trillion, two hundred twenty-four billion, four hundred twenty-one million, four hundred twenty-three thousand, four hundred four".