5422168778 has 16 divisors (see below), whose sum is σ = 8779228416. Its totient is φ = 2496727920.

The previous prime is 5422168777. The next prime is 5422168789. The reversal of 5422168778 is 8778612245.

It is not an unprimeable number, because it can be changed into a prime (5422168777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230726 + ... + 253137.

It is an arithmetic number, because the mean of its divisors is an integer number (548701776).

Almost surely, 2^5422168778 is an apocalyptic number.

5422168778 is a deficient number, since it is larger than the sum of its proper divisors (3357059638).

5422168778 is a wasteful number, since it uses less digits than its factorization.

5422168778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484309.

The product of its digits is 1505280, while the sum is 50.

The square root of 5422168778 is about 73635.3772177477. The cubic root of 5422168778 is about 1756.8081761420.

The spelling of 5422168778 in words is "five billion, four hundred twenty-two million, one hundred sixty-eight thousand, seven hundred seventy-eight".