539222405 has 8 divisors (see below), whose sum is σ = 685129752. Its totient is φ = 406002688.

The previous prime is 539222393. The next prime is 539222429. The reversal of 539222405 is 504222935.

It can be written as a sum of positive squares in 4 ways, for example, as 132756484 + 406465921 = 11522^2 + 20161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539222405 - 2⁸ = 539222149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3171812 + ... + 3171981.

It is an arithmetic number, because the mean of its divisors is an integer number (85641219).

Almost surely, 2^539222405 is an apocalyptic number.

It is an amenable number.

539222405 is a deficient number, since it is larger than the sum of its proper divisors (145907347).

539222405 is a wasteful number, since it uses less digits than its factorization.

539222405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343815.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 539222405 is about 23221.1628692449. The cubic root of 539222405 is about 813.9342235867.

The spelling of 539222405 in words is "five hundred thirty-nine million, two hundred twenty-two thousand, four hundred five".