5446431221 has 16 divisors (see below), whose sum is σ = 6802600320. Its totient is φ = 4236319680.

The previous prime is 5446431197. The next prime is 5446431227. The reversal of 5446431221 is 1221346445.

It is a cyclic number.

It is not a de Polignac number, because 5446431221 - 2²⁶ = 5379322357 is a prime.

It is a super-2 number, since 2×5446431221² = 59327226090167101682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5446431227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20606 + ... + 106383.

It is an arithmetic number, because the mean of its divisors is an integer number (425162520).

Almost surely, 2^5446431221 is an apocalyptic number.

It is an amenable number.

5446431221 is a deficient number, since it is larger than the sum of its proper divisors (1356169099).

5446431221 is a wasteful number, since it uses less digits than its factorization.

5446431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127564.

The product of its digits is 23040, while the sum is 32.

The square root of 5446431221 is about 73799.9405216562. The cubic root of 5446431221 is about 1759.4246592438.

Adding to 5446431221 its reverse (1221346445), we get a palindrome (6667777666).

The spelling of 5446431221 in words is "five billion, four hundred forty-six million, four hundred thirty-one thousand, two hundred twenty-one".