7120225305 has 96 divisors (see below), whose sum is σ = 12945778560. Its totient is φ = 3617187840.

The previous prime is 7120225289. The next prime is 7120225337. The reversal of 7120225305 is 5035220217.

7120225305 is a `hidden beast` number, since 7 + 120 + 2 + 2 + 530 + 5 = 666.

It is not a de Polignac number, because 7120225305 - 2⁴ = 7120225289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21128097 + ... + 21128433.

It is an arithmetic number, because the mean of its divisors is an integer number (134851860).

Almost surely, 2^7120225305 is an apocalyptic number.

It is an amenable number.

7120225305 is a deficient number, since it is larger than the sum of its proper divisors (5825553255).

7120225305 is a wasteful number, since it uses less digits than its factorization.

7120225305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 7120225305 is about 84381.4274885179. The cubic root of 7120225305 is about 1923.8206352222.

The spelling of 7120225305 in words is "seven billion, one hundred twenty million, two hundred twenty-five thousand, three hundred five".