7212565227 has 8 divisors (see below), whose sum is σ = 10990575616. Its totient is φ = 4121465832.

The previous prime is 7212565223. The next prime is 7212565253. The reversal of 7212565227 is 7225652127.

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

It is not a de Polignac number, because 7212565227 - 2² = 7212565223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7212565223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171727723 + ... + 171727764.

It is an arithmetic number, because the mean of its divisors is an integer number (1373821952).

Almost surely, 2^7212565227 is an apocalyptic number.

7212565227 is a deficient number, since it is larger than the sum of its proper divisors (3778010389).

7212565227 is a wasteful number, since it uses less digits than its factorization.

7212565227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343455497.

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

The square root of 7212565227 is about 84926.8227770237. The cubic root of 7212565227 is about 1932.1014120710.

The spelling of 7212565227 in words is "seven billion, two hundred twelve million, five hundred sixty-five thousand, two hundred twenty-seven".