5399221 has 2 divisors, whose sum is σ = 5399222. Its totient is φ = 5399220.

The previous prime is 5399213. The next prime is 5399231. The reversal of 5399221 is 1229935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 1920996 = 1865^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5399221 - 2³ = 5399213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5399201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699610 + 2699611.

It is an arithmetic number, because the mean of its divisors is an integer number (2699611).

Almost surely, 2^5399221 is an apocalyptic number.

It is an amenable number.

5399221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5399221 is an equidigital number, since it uses as much as digits as its factorization.

5399221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 5399221 is about 2323.6223875664. The cubic root of 5399221 is about 175.4326275544.

The spelling of 5399221 in words is "five million, three hundred ninety-nine thousand, two hundred twenty-one".