7085812225 has 12 divisors (see below), whose sum is σ = 8787662380. Its totient is φ = 5667840000.

The previous prime is 7085812133. The next prime is 7085812343. The reversal of 7085812225 is 5222185807.

It can be written as a sum of positive squares in 6 ways, for example, as 500327424 + 6585484801 = 22368^2 + 81151^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7085812225 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209281 + ... + 240769.

Almost surely, 2^7085812225 is an apocalyptic number.

It is an amenable number.

7085812225 is a deficient number, since it is larger than the sum of its proper divisors (1701850155).

7085812225 is a wasteful number, since it uses less digits than its factorization.

7085812225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40500 (or 40495 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 7085812225 is about 84177.2666757480. The cubic root of 7085812225 is about 1920.7162606322.

The spelling of 7085812225 in words is "seven billion, eighty-five million, eight hundred twelve thousand, two hundred twenty-five".