6227577225 has 27 divisors (see below), whose sum is σ = 11156403349. Its totient is φ = 3320743200.

The previous prime is 6227577217. The next prime is 6227577227. The reversal of 6227577225 is 5227757226.

The square root of 6227577225 is 78915.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 79762761 + 6147814464 = 8931^2 + 78408^2 .

It is not a de Polignac number, because 6227577225 - 2³ = 6227577217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6227577227) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1181095 + ... + 1186355.

Almost surely, 2^6227577225 is an apocalyptic number.

6227577225 is the 78915-th square number.

6227577225 is the 39458-th centered octagonal number.

It is an amenable number.

6227577225 is a deficient number, since it is larger than the sum of its proper divisors (4928826124).

6227577225 is an frugal number, since it uses more digits than its factorization.

6227577225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538 (or 5269 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The cubic root of 6227577225 is about 1839.8102774807.

The spelling of 6227577225 in words is "six billion, two hundred twenty-seven million, five hundred seventy-seven thousand, two hundred twenty-five".