5227756221 has 8 divisors (see below), whose sum is σ = 6973331040. Its totient is φ = 3483676112.

The previous prime is 5227756217. The next prime is 5227756267. The reversal of 5227756221 is 1226577225.

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 5227756221 - 2² = 5227756217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5227756221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5227756321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365490 + ... + 379523.

It is an arithmetic number, because the mean of its divisors is an integer number (871666380).

Almost surely, 2^5227756221 is an apocalyptic number.

It is an amenable number.

5227756221 is a deficient number, since it is larger than the sum of its proper divisors (1745574819).

5227756221 is a wasteful number, since it uses less digits than its factorization.

5227756221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747355.

The product of its digits is 117600, while the sum is 39.

The square root of 5227756221 is about 72303.2241397298. The cubic root of 5227756221 is about 1735.5552454429. Note that the first 3 decimals are identical.

The spelling of 5227756221 in words is "five billion, two hundred twenty-seven million, seven hundred fifty-six thousand, two hundred twenty-one".