5144401221 has 16 divisors (see below), whose sum is σ = 7222732800. Its totient is φ = 3247961328.

The previous prime is 5144401211. The next prime is 5144401271. The reversal of 5144401221 is 1221044415.

It is not a de Polignac number, because 5144401221 - 2⁵ = 5144401189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5144401191 and 5144401200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144401211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167500 + ... + 195818.

It is an arithmetic number, because the mean of its divisors is an integer number (451420800).

Almost surely, 2^5144401221 is an apocalyptic number.

It is an amenable number.

5144401221 is a deficient number, since it is larger than the sum of its proper divisors (2078331579).

5144401221 is a wasteful number, since it uses less digits than its factorization.

5144401221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31528.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 5144401221 is about 71724.4813226279. The cubic root of 5144401221 is about 1726.2814781860.

Adding to 5144401221 its reverse (1221044415), we get a palindrome (6365445636).

The spelling of 5144401221 in words is "five billion, one hundred forty-four million, four hundred one thousand, two hundred twenty-one".