5726385221 has 4 divisors (see below), whose sum is σ = 5751391500. Its totient is φ = 5701378944.

The previous prime is 5726385199. The next prime is 5726385239. The reversal of 5726385221 is 1225836275.

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 2523957121 + 3202428100 = 50239^2 + 56590^2 .

It is a cyclic number.

It is not a de Polignac number, because 5726385221 - 2⁶ = 5726385157 is a prime.

It is a super-3 number, since 3×5726385221³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5726385271) 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, 12502796 + ... + 12503253.

It is an arithmetic number, because the mean of its divisors is an integer number (1437847875).

Almost surely, 2^5726385221 is an apocalyptic number.

It is an amenable number.

5726385221 is a deficient number, since it is larger than the sum of its proper divisors (25006279).

5726385221 is a wasteful number, since it uses less digits than its factorization.

5726385221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006278.

The product of its digits is 201600, while the sum is 41.

The square root of 5726385221 is about 75672.8829964869. The cubic root of 5726385221 is about 1789.0680230048.

The spelling of 5726385221 in words is "five billion, seven hundred twenty-six million, three hundred eighty-five thousand, two hundred twenty-one".