5423404221 has 8 divisors (see below), whose sum is σ = 8034672960. Its totient is φ = 3615602796.

The previous prime is 5423404211. The next prime is 5423404223. The reversal of 5423404221 is 1224043245.

5423404221 is a `hidden beast` number, since 5 + 4 + 234 + 0 + 422 + 1 = 666.

It is not a de Polignac number, because 5423404221 - 2¹⁹ = 5422879933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 200866823 = 5423404221 / (5 + 4 + 2 + 3 + 4 + 0 + 4 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423404223) 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, 100433385 + ... + 100433438.

It is an arithmetic number, because the mean of its divisors is an integer number (1004334120).

Almost surely, 2^5423404221 is an apocalyptic number.

It is an amenable number.

5423404221 is a deficient number, since it is larger than the sum of its proper divisors (2611268739).

5423404221 is a wasteful number, since it uses less digits than its factorization.

5423404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200866832 (or 200866826 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 5423404221 is about 73643.7656628177. The cubic root of 5423404221 is about 1756.9415957894.

Adding to 5423404221 its reverse (1224043245), we get a palindrome (6647447466).

The spelling of 5423404221 in words is "five billion, four hundred twenty-three million, four hundred four thousand, two hundred twenty-one".