5423411221 has 4 divisors (see below), whose sum is σ = 5445915244. Its totient is φ = 5400907200.

The previous prime is 5423411209. The next prime is 5423411251. The reversal of 5423411221 is 1221143245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4870644100 + 552767121 = 69790^2 + 23511^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423411221 - 2⁷ = 5423411093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423411251) 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, 11251650 + ... + 11252131.

It is an arithmetic number, because the mean of its divisors is an integer number (1361478811).

Almost surely, 2^5423411221 is an apocalyptic number.

It is an amenable number.

5423411221 is a deficient number, since it is larger than the sum of its proper divisors (22504023).

5423411221 is a wasteful number, since it uses less digits than its factorization.

5423411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22504022.

The product of its digits is 1920, while the sum is 25.

The square root of 5423411221 is about 73643.8131888891. The cubic root of 5423411221 is about 1756.9423516853.

Adding to 5423411221 its reverse (1221143245), we get a palindrome (6644554466).

The spelling of 5423411221 in words is "five billion, four hundred twenty-three million, four hundred eleven thousand, two hundred twenty-one".