7722145471 has 16 divisors (see below), whose sum is σ = 8185098240. Its totient is φ = 7264982880.

The previous prime is 7722145469. The next prime is 7722145481. The reversal of 7722145471 is 1745412277.

It is not a de Polignac number, because 7722145471 - 2¹ = 7722145469 is a prime.

It is a super-3 number, since 3×7722145471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722145481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658606 + ... + 2661508.

It is an arithmetic number, because the mean of its divisors is an integer number (511568640).

Almost surely, 2^7722145471 is an apocalyptic number.

7722145471 is a deficient number, since it is larger than the sum of its proper divisors (462952769).

7722145471 is a wasteful number, since it uses less digits than its factorization.

7722145471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846.

The product of its digits is 109760, while the sum is 40.

The square root of 7722145471 is about 87875.7388077051. The cubic root of 7722145471 is about 1976.5720940957.

The spelling of 7722145471 in words is "seven billion, seven hundred twenty-two million, one hundred forty-five thousand, four hundred seventy-one".