7225066305 has 96 divisors (see below), whose sum is σ = 13284311040. Its totient is φ = 3627169920.

The previous prime is 7225066301. The next prime is 7225066313. The reversal of 7225066305 is 5036605227.

It is a happy number.

It is not a de Polignac number, because 7225066305 - 2² = 7225066301 is a prime.

It is a super-2 number, since 2×7225066305² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7225066305.

It is not an unprimeable number, because it can be changed into a prime (7225066301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17243386 + ... + 17243804.

It is an arithmetic number, because the mean of its divisors is an integer number (138378240).

Almost surely, 2^7225066305 is an apocalyptic number.

It is an amenable number.

7225066305 is a deficient number, since it is larger than the sum of its proper divisors (6059244735).

7225066305 is a wasteful number, since it uses less digits than its factorization.

7225066305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 7225066305 is about 85000.3900285169. The cubic root of 7225066305 is about 1933.2170303766.

The spelling of 7225066305 in words is "seven billion, two hundred twenty-five million, sixty-six thousand, three hundred five".