7222960145 has 4 divisors (see below), whose sum is σ = 8667552180. Its totient is φ = 5778368112.

The previous prime is 7222960133. The next prime is 7222960177. The reversal of 7222960145 is 5410692227.

It is a Cunningham number, because it is equal to 84988²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2600184064 + 4622776081 = 50992^2 + 67991^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222960145 - 2¹² = 7222956049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7222960099 and 7222960108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722296010 + ... + 722296019.

It is an arithmetic number, because the mean of its divisors is an integer number (2166888045).

Almost surely, 2^7222960145 is an apocalyptic number.

It is an amenable number.

7222960145 is a deficient number, since it is larger than the sum of its proper divisors (1444592035).

7222960145 is a wasteful number, since it uses less digits than its factorization.

7222960145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444592034.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 7222960145 is about 84988.0000058832. Note that the first 5 decimals coincide. The cubic root of 7222960145 is about 1933.0291631233.

The spelling of 7222960145 in words is "seven billion, two hundred twenty-two million, nine hundred sixty thousand, one hundred forty-five".