7085572231 has 2 divisors, whose sum is σ = 7085572232. Its totient is φ = 7085572230.

The previous prime is 7085572229. The next prime is 7085572237. The reversal of 7085572231 is 1322755807.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322755807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7085572231 - 2¹ = 7085572229 is a prime.

It is a super-2 number, since 2×7085572231² (a number of 21 digits) contains 22 as substring.

Together with 7085572229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7085572237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542786115 + 3542786116.

It is an arithmetic number, because the mean of its divisors is an integer number (3542786116).

Almost surely, 2^7085572231 is an apocalyptic number.

7085572231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7085572231 is an equidigital number, since it uses as much as digits as its factorization.

7085572231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 7085572231 is about 84175.8411362785. The cubic root of 7085572231 is about 1920.6945757231.

The spelling of 7085572231 in words is "seven billion, eighty-five million, five hundred seventy-two thousand, two hundred thirty-one".