7782222263 has 4 divisors (see below), whose sum is σ = 7789936080. Its totient is φ = 7774508448.

The previous prime is 7782222233. The next prime is 7782222271. The reversal of 7782222263 is 3622222877.

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

It is a cyclic number.

It is not a de Polignac number, because 7782222263 - 2²⁸ = 7513786807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7782222263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7782222233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855395 + ... + 3857412.

It is an arithmetic number, because the mean of its divisors is an integer number (1947484020).

Almost surely, 2^7782222263 is an apocalyptic number.

7782222263 is a deficient number, since it is larger than the sum of its proper divisors (7713817).

7782222263 is a wasteful number, since it uses less digits than its factorization.

7782222263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713816.

The product of its digits is 225792, while the sum is 41.

The square root of 7782222263 is about 88216.9046328423. The cubic root of 7782222263 is about 1981.6846410576.

The spelling of 7782222263 in words is "seven billion, seven hundred eighty-two million, two hundred twenty-two thousand, two hundred sixty-three".