4228177778 has 12 divisors (see below), whose sum is σ = 6971252190. Its totient is φ = 1921898880.

The previous prime is 4228177769. The next prime is 4228177843. The reversal of 4228177778 is 8777718224.

It can be written as a sum of positive squares in only one way, i.e., 3907875169 + 320302609 = 62513^2 + 17897^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8735663 + ... + 8736146.

Almost surely, 2^4228177778 is an apocalyptic number.

4228177778 is a deficient number, since it is larger than the sum of its proper divisors (2743074412).

4228177778 is a wasteful number, since it uses less digits than its factorization.

4228177778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17471833 (or 17471822 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 53.

The square root of 4228177778 is about 65024.4398514897. The cubic root of 4228177778 is about 1617.0287683653.

The spelling of 4228177778 in words is "four billion, two hundred twenty-eight million, one hundred seventy-seven thousand, seven hundred seventy-eight".